Cryptocercus arcuatus, Wang & Li & Che & Wang, 2015

Wang, Zong-Qing, Li, Yang, Che, Yan-Li & Wang, Jin-Jun, 2015, The wood-feeding genus Cryptocercus (Blattodea: Cryptocercidae), with description of two new species based on female genitalia, Florida Entomologist 98 (1), pp. 260-260 : 260-

C. arcuatus sp. nov. ( China: Yunnan Province)

1. Cryptocercus primarius Bey-Bienko, 1938 ( Figs. 1-3 , 16-25 ) Cryptocercus primarius Bey-Bienko, 1938: 237 .

MEASUREMENTS

Male,pronotum: length × width:6.0-6.5 × 8.0-9.0 mm,body length: 23.0 mm; female, pronotum: length × width: 5.9-6.0 × 8.0 mm, body length: 22.5-23.0 mm.

DESCRIPTION

Body medium, brown to dark brown ( Fig. 1 ). Vertex pale brown, ocellar spot dark brown; head with strong punctation. Antenna brown, apex pale brown and scape gradually darker. Vertex with interocular space slightly less than distance between antennal sockets. Maxillary palps reddish brown and apical segment with tiny hairs ( Fig. 2 ). Pronotum blackish brown with peculiar shape, disc depressed with 2 pairs of well delimited but feeble protuberances, the fore ones more or less sharp; also with a protruding fore margin ( Fig. 3 ). Front femur Type D 4 (only 4 large spines), tarsus with pulvilli, tarsal claws symmetrical and unspecialized. Abdominal tergites brown, margins of tergites slightly upturned and sterna pale brown; both tergites and sterna punctured, tergite VII and sterna with minute hairs. Area between tergites II and III slightly depressed.

Tergite VII with anterior margin arched and posterior margin slightly truncate at middle ( Fig. 19 ). Sternum VII produced at apical part, posterior margin truncate; with a conspicuous pair of intersternal shelves (ints.f.) at apex, which are slightly sclerotized at apex and highly sclerotized at base. Vestibular sclerite (vst.s.) broad, well delimited and unmusculated ( Fig. 18 ). Tergite X rounded at apex; paraprocts (pp.) developed, whose apices extending beyond posterior margin of tergite X ( Fig. 16 ).

FEMALE GENITALIA

In the roof of the genital chamber, basivalvulae (bsv.) well-developed and elliptical; darker at apex and base,also highly sclerotized ( Fig. 23 ). Spermatheca, sitting beyond the basivalvulae, fused with them. Valve I (v.I) bases situated posterior to the basivalvulae, but not fused with valvifers I ( Fig. 20 ). Valvifers I (vlf.I) small and posterolateral to base of valve I, almost covered by inserted muscles; paratergites (pt.) long and slightly curved, situated between valvifers I and base of valve I ( Fig. 25 ). Valvifer II ring (vlf.II) well sclerotized, located at the central apodeme (c.a.) that is well-developed. Anterior arch (a.a.) with punctures in the middle ( Fig. 22 ). Laterosternites IX (ltst.IX) small and sheet-like, fused with the bases of paratergites ( Fig. 25 ). Laterosternal shelf (ltst.sh.) large and translucent, nearly oblong; with dense spinules at apical half which are denser near the anterior margin ( Fig. 24 ).

MATERIAL EXAMINED

One male and 1 female, Sichuan Prov., Pingwu County, Wanglang , 2800m, 3-VIII-2011, host: Pine, coll. Dong Wang ; 4 males and 1 female, Sichuan Prov., Pingwu County, Wanglang , 2800m, 3-VIII-2011, host: Pine, coll. Keliang Wu.

REMARKS

Pronotum of this species has inconspicuous punctation similar to C. convexus sp. nov. and C. arcuatus sp. nov. ( Figs. 3, 12, 15 ). Paraprocts with apices are nearly or slightly extending to the posterior margin of tergite X ( Fig. 16 ).

2. Cryptocercus hirtus Grandcolas & Bellés, 2005 ( Figs. 4-6 , 26-35 )

Cryptocercus hirtus Grandcolas & Bellés, 2005: 727 .

MEASUREMENTS

Male, pronotum: length × width: 7.0 × 9.5 mm, body length: 27.0 mm; female, pronotum: length × width: 6.6-8.0 × 9.3-10.0 mm, body length: 24.1-25.0 mm.

DESCRIPTION

Body medium, brown to dark brown ( Fig. 4 ). Vertex pale brown, ocellar spot dark brown; head with strong punctation. Antenna brown, apex pale brown and scape gradually darker. Vertex with interocular space slightly less than distance between antennal sockets. Maxillary palps reddish brown and apical segment with tiny hairs ( Fig. 5 ). Pronotum blackish brown with strong punctation, anterior margin elevated; disc depressed with 4 protuberances, the fore 2 small but sharp; protuberances also strongly depressed, and narrowing posteriorly to median incised line and terminating at short transverse groove ( Fig. 6 ). Front femur Type D 4 (only 4 large spines), tarsus with pulvilli, tarsal claws symmetrical and unspecialized.Abdominal tergites brown, margins of each tergite slightly upturned, sterna pale brown.Both tergites and sterna punctured,tergite VII and sternum with minute hair; area between tergites II and III slightly depressed.

Tergite VII with anterior margin slightly truncate and posterior margin obtuse ( Fig.29 ). Sternum VII slightly produced at apex,posterior margin truncate; with a conspicuous pair of intersternal shelves (ints.f.) at apex which are slightly sclerotized at anterior margins. Vestibular sclerite (vst.s.) broad, clearly defined, with anterior margin slightly concave in the middle and unmusculated; membrane surrounding vestibular sclerite which is connected with tergite X (TX) ( Fig. 28 ). Tergite X rounded at apex; paraprocts (pp.) developed with apices extending to the posterior margin of tergite X, with the gap between paraprocts narrow ( Fig. 26 ).

FEMALE GENITALIA

In the roof of the genital chamber, the basivalvulae (bsv.) well-developed and divided into 2 parts which are symmetrical, lef basivalvula nearly elliptical, apex slightly dilated on the lef, and slightly narrow on the right, with 1 long and narrow prominence ( Fig. 33 ). Spermatheca, sitting beyond the basivalvulae and fused with them. Valve I (v.I) bases situated posterior to the basivalvulae but not fused with valvifers I ( Fig. 30 ). Valvifers I (vlf.I) small and posterolateral to bases of valve I, almost covered by inserted muscles; paratergites (pt.) slightly straight and situated between valvifers I and base of valve I ( Fig. 35 ). Valvifer II ring (vlf.II) highly sclerotized, located at the central apodeme (c.a.) that is well-developed. Anterior arch (a.a.) dark, with punctures in the middle ( Fig. 32 ). Laterosternites IX (ltst.IX) large and irregular, fused with the bases of paratergites ( Fig. 35 ). Laterosternal shelf (ltst.sh.) large and translucent, nearly oblong, with dense spinules at apical half ( Fig. 34 ).

MATERIAL EXAMINED

One male nymph, 4 female nymphs, Gansu Prov., Mt. Shimen , 20- VII-2012, coll. Jinjin Wang, Yang Li ; 1 male, 1 female and 1 male nymph, Shaanxi Prov., Mt. Taibaishan , 2,600 m, 15-VII-2011, host: White birch, coll. Chen Luo ; 1 male and 1 male nymph, Shaanxi Prov., Mt. Taibaishan , 2600m, 15-VII-2011, host: White birch, coll. Dong Wang.

REMARKS

Pronotum of this species has conspicuous punctation, like that of C. meridianus ( Figs. 6, 9 ). But tergite VII is obtuse at posterior margin ( Fig. 29 ) and sternum VII is slightly produced at apex ( Fig. 28 ). Valvule II of this species is highly scleritized at lateral margins, clearly forming 2 pale yellow stripes ( Fig. 31 ).

3. Cryptocercus meridianus Grandcolas & Legendre, 2005 ( Figs. 7-9 , 36-45 )

Cryptocercus meridianus Grandcolas & Legendre, 2005: 727 .

MEASUREMENTS

Male, pronotum: length × width: 6.0 ×7.5 mm, body length: 25.0 mm; female, pronotum: length × width: 5.0 × 8.0 mm, body length: 19.9 mm.

DESCRIPTION

Body medium, brown to dark brown ( Fig. 7 ). Vertex pale brown, ocellar spot dark brown, densely scattered with punctures. Antenna moniliform, brown, apex pale brown and scape gradually darker. Vertex with interocular space slightly more than distance between antennal sockets. Maxillary palps reddish brown and apical segment with tiny hairs ( Fig. 8 ). Pronotum blackish brown with dense punctation, anterior margin elevated; disc depressed with faint protuberances, protuberances also strongly depressed and narrowing posteriorly to median incised line and terminating at short transverse groove ( Fig. 9 ). Front femur Type D 4 (only 4 large spines) or D 5, males with different lef and right front femur types; tarsus with pulvilli, tarsal claws symmetrical and unspecialized.Abdominal tergites brown, margins of each tergite slightly upturned, sterna pale brown. Both tergites and sterna punctured, the tergite VII and sternum with minute hair; area between tergites II and III slightly depressed.

Tergite VII with anterior margin slightly arched and posterior margin truncate, which is strongly extending backwards ( Fig. 39 ). Sternum VII strongly produced at apex, posterior margin truncate; with a conspicuous pair of intersternal shelves (ints.f.) at apex, which are slightly sclerotized at anterior margins, dark and with punctures. Vestibular sclerite (vst.s.) broad, clearly defined, anterior margin arched, apex with dark and linear marks; the whole sclerite unmusculated, membrane surrounding vestibular sclerite which is connected with tergite X (TX) ( Fig. 38 ). Tergite X rounded at apex; paraprocts (pp.) developed, triangular, with apices not extending to the posterior margin of tergite X, with the gap between paraprocts narrow ( Fig. 36 ).

FEMALE GENITALIA

In the roof of the genital chamber, the basivalvulae (bsv.) well-developed and similar, nearly triangular or elliptic, anterior and posterior parts obscure and dark brown, anterior area sheet-like, and posterior area linear, both highly sclerotized ( Fig. 43 ). Spermatheca, sitting beyond the basivalvulae and fused with them. Valve I (v.I) bases fingerlike, highly sclerotized at base, situated posterior to the basivalvulae but not fused with the valvifers I ( Fig. 40 ). Valvifers I (vlf.I) small and posterolateral to base of valve I, almost covered by inserted muscles; paratergites (pt.) weakly curved, situated between valvifers I and base of valve I ( Fig. 45 ). Valvifer II ring (vlf.II) highly sclerotized, located at the central apodeme (c.a.) that is well-developed. Anterior arch (a.a.) dark, sheet-like in the middle ( Fig. 42 ). Laterosternites IX (ltst.IX) large and irregular, fused with the bases of paratergites ( Fig. 45 ). Laterosternal shelf (ltst.sh.) nearly oblong,with dense spinules at apical half ( Fig. 44 ).

MATERIAL EXAMINED

Four males and 1 female, Yunnan Prov., Lijiang City , Mt. Yulongxue- shan, 2-24-VII-2012, host: Pine, coll. Dong Wang and Lin Du.

REMARKS

Pronotum of this species has inconspicuous punctation ( Fig. 9 ). Front femur type of this species is greatly varied, D 4 or D 5, and different types of lef and right femur only exist in males.

4. Cryptocercus convexus sp. nov. ( Figs. 10-12 , 46-55 )

MEASUREMENTS

Male, pronotum: length × width: 6.5 ×9.5 mm, body length: 23.5 mm; female, pronotum: length × width: 6.0 × 8.0-9.5 mm, body length: 21.0-24.0 mm.

DESCRIPTION

Body medium, brown to dark brown ( Fig. 10 ). Vertex pale brown, ocellar spot dark brown, head with dense punctation. Antenna brown, apex pale brown and scape gradually darker. Vertex with interocular space slightly less than distance between antennal sockets. Maxillary palps reddish brown and apical segment with tiny hairs ( Fig. 11 ). Pronotum blackish brown, trapezoid with dense punctation, anterior margin elevated; disc depressed with faint protuberances, protuberances also strongly depressed, and narrowing posteriorly to median incised line and terminating at short transverse groove ( Fig. 12 ). Front femur Type D 3, D 4 or D 5, sometimes lef and right femur type different; tarsus with pulvilli, tarsal claws symmetrical and unspecialized. Abdominal tergites brown, margins of each tergite slightly upturned, sterna pale brown. Both tergites and sterna punctured, the tergite VII and sternum with minute hairs; area between tergites II and III slightly depressed.

Tergite VII with anterior margin arched and posterior margin obtuse, weakly concave at middle ( Fig. 49 ). Sternum VII distinctly produced at apex, posterior margin truncate; with a conspicuous pair of intersternal shelves (ints.f.) at apex which are slightly sclerotized at anterior margins. Vestibular sclerite (vst.s.) broad, clearly delimited and unmusculated; membrane surrounding vestibular sclerite, which is connected with tergite X (TX) ( Fig. 48 ). Tergite X finely acute at apex; paraprocts (pp.) developed, with apices extending to the posterior margin of tergite X, with the gap between paraprocts narrow ( Fig. 46 ).

FEMALE GENITALIA

In the roof of the genital chamber, the basivalvulae (bsv.) well-developed, elliptical, and similar, posterior parts obscure and dark brown, narrow margin of anterior area dark brown, both highly sclerotized ( Fig. 53 ). Spermatheca,sitting beyond the basivalvulae,fused with them.Valve I (v.I) bases situated posterior to the basivalvulae, but not fused with valvifer I ( Fig.50 ).Valvifer I (vlf.I) small and posterolateral to the valve I base, almost covered by inserted muscles;paratergites (pt.) slightly curved,situated between valvifers I and base of valve I ( Fig. 55 ). Valvifer II ring (vlf.II) highly sclerotized, located at the central apodeme (c.a.) that is well-developed. Anterior arch (a.a.) dark,with punctures in the middle ( Fig. 52 ). Laterosternites IX (ltst.IX) small and irregular, fused with the bases of paratergites ( Fig. 55 ). Laterosternal shelf (ltst.sh.) large and light yellow, nearly oblong, and brown at disc, with dense spinules at apical half ( Fig. 54 ).

MATERIAL EXAMINED

HOLOTYPE, male, CHINA: Sichuan Prov., Yaan City, Baoxin Mt. Jia- jinshan, 3,300m, 6-VIII-2011, coll. Dong Wang and Keliang Wu. PARA- TYPES, 3 males and 2 females, same data as holotype .

DISTRIBUTION

China (Sichuan).

ETYMOLOGY

The specific epithet “ convexus ” is derived from the Latin and refers to the hind margin inter-stylus being distinctly convex.

REMARKS

This species resembles other Cryptocercus species in structure, but can be distinguished as follows: pronotum of this species has inconspicuous punctation ( Fig. 12 ); there are 3 main types of front femur, D 3, D 4 orD 5, and sometimes different types of lef and right femur; tergite VII is weakly concave at posterior margin ( Fig. 49 ) and tergite X is slightly acute at apex ( Fig. 47 ).

5. Cryptocercus arcuatus sp. nov. ( Figs. 13-15 , 56-65 )

MEASUREMENTS

Male, pronotum: length × width: 6.0 × 9.0 mm, body length: 21.0 mm; female, pronotum: length × width: 6.0 × 9.0 mm, body length: 22.0 mm.

C. hirtus C. primarius C. meridianus C. convexus sp. nov. C. arcuatus sp. nov.

Protuberances of the pronotum Strong, more or less Flat and obtuse Flat and obtuse Flat and obtuse Flat and obtuse tapered

Front femur type D 4 D 4 D 4 andd 5 D 3, d 4 ord 5 D 4

Hind margin of Tergite VII More or less arched Truncate Truncate Concave Truncate

Sternum X Rounded at apex Rounded at apex Rounded at apex Acute at apex Rounded at apex

Sternum VII Slightly produced at the Protruded at apex Protruded at apex Protruded at apex Protruded at apex apex

Valvulae II Highly sclerotized lateral Lateral margins not Lateral margins not Lateral margins not Slightly sclerotized margins sclerotized sclerotized sclerotized lateral margins

Laterosternites IX With long or short Without protuberance With long or short With long or short Without protuberance protuberance protuberance protuberance

Paratergites Nearly straight Weakly curved Weakly curved Weakly curved Weakly curved

Paraprocts Well beyond the Nearly to or slightly Does not extend to Does not extend to the Does not extend to posterior margin of beyond the posterior the posterior margin posterior margin of the posterior margin tergite X margin of tergite X of tergite X tergite X of tergite X

The anterior margins of the vestibular sclerites Slightly concave at the Distinctly arched Distinctly arched Distinctly arched Slightly concave at middle the middle

DESCRIPTION

Body medium,brown to dark brown ( Fig. 13 ).Vertex pale brown,ocellar spot dark brown, head with dense punctation. Antenna brown, apex pale brown and scape gradually darker. Vertex with interocular space slightly less than distance between antennal sockets. Maxillary palps reddish brown and apical segment with tiny hairs ( Fig. 14 ). Pronotum blackish brown with punctation indistinct, anterior margin elevated; disc depressed with faint protuberances, protuberances also strongly depressed, and narrowing posteriorly to median incised line and terminating at short transverse groove ( Fig. 15 ). Front femur Type D 4 (only 4 big spines), tarsus with pulvilli, tarsal claws symmetrical and unspecialized. Abdominal tergites brown, margins of each tergite slightly upturned, sterna pale brown. Both tergites and sterna punctured, the tergite VII and sternum with minute hairs; area between tergites II and III slightly depressed.

Tergite VII with anterior margin arched, and posterior margin slightly truncate at middle ( Fig. 59 ). Sternum VII distinctly produced at apex, posterior margin truncate; with a conspicuous pair of intersternal shelves (ints.f.) at apex, which are slightly sclerotized at anterior margins and highly sclerotized at base. Vestibular sclerite (vst.s.) broad, clearly delimited and unmusculated; membrane surrounding vestibular sclerite, which is connected with tergite X (TX) ( Fig. 58 ). Tergite X rounded at apex; paraprocts (pp.) developed, with apices not extending to the posterior margin of tergite X, with the gap between paraprocts narrow ( Fig. 56 ).

FEMALE GENITALIA

In the roof of the genital chamber, the basivalvulae (bsv.) well-developed, elliptical, obscure at apex and base, which are highly sclerotized ( Fig. 63 ). Spermatheca sitting beyond the basivalvulae and fused with them. Valve I (v.I) bases situated posterior to the basivalvulae, but not fused with the valvifers I ( Fig. 60 ). Valvifers I (vlf.I) small and posterolateral to the valve I bases, almost covered by inserted muscles; paratergites (pt.) slightly curved and situated between valvifers I and base of valve I ( Fig. 65 ). Valvifer II ring (vlf.II) highly sclerotized, located at the central apodeme (c.a.) that is well-developed. Anterior arch (a.a.) dark, with punctures in the middle ( Fig. 62 ). Laterosternites IX (ltst.IX) small and sheet-like, fused with the bases of paratergites ( Fig. 65 ). Laterosternal shelf (ltst.sh.) very large and translucent, nearly oblong; with dense spinules at apical half, which are denser near the anterior margin ( Fig. 64 ).

MATERIAL EXAMINED

HOLOTYPE, male, CHINA: Yunnan Prov., Xianggelila , Mt. Shikaxue- shan, 3,756 m, 20-VII-2012, coll. Dong Wang and Lin Du. PARATYPES, 2 males and 1 female, same date as holotype.

DISTRIBUTION

China (Yunnan).

ETYMOLOGY

The specific epithet is derived from the Latin adjective “ arcuatus ” referring to the posterior margin between 2 styli being rounded.

REMARKS

The following characteristics make this new species distinctive and easily noticed. Firstly, the pronotum of this species has inconspicuous punctation ( Fig. 15 ). Secondly, valvule II is strongly protruding at base and lateral margins are slightly scleritized at middle ( Fig. 61 ).

Figures

Figs.1-15. 1-3. Cryptocercus primarius Bey-Bienko,1938,female:(1) dorsal view; (2) ventral view;and (3) lateral view.4-6 Cryptocercus hirtus Grandcolas & Belles, 2005, female: (4) dorsal view; (5) ventral view; and (6) lateral view. 7-9 Cryptocercus meridianus Grandcolas & Legendre, 2005, female: (7) dorsal view; (8) ventral view; and (9) lateral view. 10-12 Cryptocercus convexus sp. nov., female: (10) Paratype, dorsal view; (11) same, ventral view; and (12) same, lateral view. 13-15 Cryptocercus arcuatus sp. nov., female: (13) Paratype, dorsal view; (14) same, ventral view; (15) same, lateral view. (Scale bars = 1.0 cm). This figure is displayed in color in the online version.

Figs. 16-25. Cryptocercus primarius Bey-Bienko, 1938: (16) supraanal plate, ventral view; (17) supraanal plate, dorsal view; (18) subgenital plate, dorsal view; (19) tergite VII, dorsal view; (20) valvule I, ventral view;(21) valvule II, ventral view; (22) valvule III, ventral view; (23) basivalvula and spermatheca (1 absent),ventral view; (24) laterosternal shelf,dorsal view;and (25) laterosternite IX and paratergites,ventral view.(Scale bars = 1.0 mm).This figure is displayed in color in the online version.

Figs. 26-35. Cryptocercus hirtus Grandcolas & Belles,2005:(26) supraanal plate,ventral view;(27) supraanal plate,dorsal view; (28) subgenital plate, dorsal view; (29) tergum VII, dorsal view; (30) valvule I, ventral view; (31) valvule II, ventral view; (32) valvule III, ventral view; (33) basivalvula and spermatheca (1 absent), ventral view; (34) laterosternal shelf, dorsal view; (35) laterosternite IX and paratergites, ventral view. (Scale bars = 1.0 mm). This figure is displayed in color in the online version.

Figs. 36-45. Cryptocercus meridianus Grandcolas & Legendre, 2005: (36) supraanal plate, ventral view; (37) supraanal plate, dorsal view; (38) subgenital plate, dorsal view; (39) tergum VII, dorsal view; (40) valvule I, ventral view; (41) valvule II, ventral view; (42) valvule III, ventral view; (43) basivalvula and spermatheca (1 absent), ventral view; (44) laterosternal shelf, dorsal view; (45) laterosternite IX and paratergites, ventral view. (Scale bars = 1.0 mm). This figure is displayed in color in the online version.

Figs. 46-55. Cryptocercus convexus sp. nov.: (46) supraanal plate, ventral view; (47) supraanal plate, dorsal view; (48) subgenital plate, dorsal view; (49) tergum VII, dorsal view; (50) valvule I, ventral view; (51) valvule II, ventral view; (52) valvule III, ventral view; (53) basivalvula and spermatheca (1 absent), ventral view; (54) laterosternal shelf, dorsal view;(55) laterosternite IX and paratergites, ventral view. (Scale bars = 1.0 mm). This figure is displayed in color in the online version.

Figs. 56-65. Cryptocercus arcuatus sp. nov.: (56) supraanal plate, ventral view; (57) supraanal plate, dorsal view; (58) subgenital plate, dorsal view; (59) tergum VII, dorsal view; (60) valvule I, ventral view; (61) valvule II, ventral view; (62) valvule III, ventral view; (63) basivalvula and spermatheca (1 absent), ventral view; (64) laterosternal shelf,dorsal view; (65) laterosternite IX and paratergites,ventral view. (Scale bars =1.0 mm).This figure is displayed in color in the online version.