Phanerotomella emeiensis sp. nov.

urn:lsid:zoobank.org:act: 9D10E1FB-7F2B-4CE7-9EA1-40DE8BF0B023

Figs 29–30

Diagnosis

Inner tooth of mandible 0.6× as long as apical tooth (Fig. 30D); lamella of third metasomal tergite posteriorly with pair of small and blunt tubercles (Fig. 30L); temple and face largely black except yellowish around eye (Fig. 30B–C); head in dorsal view black except yellow spot around eye (Fig. 30A).

Etymology

Named after the collection site of the oldest specimen: Mount Emei in Sichuan.

Type material

Holotype CHINA – Zhejiang • ♀; Anji, Longwang Mt.; 22 Sep. 2004; Y. Ma leg.; ZJUH No. 20050045.

Paratypes (11 ♀♀)

CHINA – Sichuan • 1 ♀; Emei Mt., Xixiangchi; elev. 1800–2000 m; 19 Aug. 1957; F.X. Zhu leg.; IOZ(E) No. 2059954 • 1 ♀; Emei Mt.; 10 Aug. 1980; J.H. He leg.; ZJUH No. 802614 . – Zhejiang • 2 ♀♀; same data as for holotype; ZJUH Nos 20050044, 20050047 • 1 ♀; Linan, Qingliangfeng; 11 Aug. 2005; H.Y. Zhang leg.; ZJUH No. 200603431 . – Shaanxi • 1 ♀; Huoditang Forest Farm; 33°43.000′ N, 108°45.000′ E; elev. 1505 m; 14 Aug. 2013; B.B. Tu leg.; light trap; ZJUH No. 201300286 • 2 ♀♀; Fengxian, Huangniupu; 34°15.000′ N, 106°58.000′ E; elev. 1501 m; 21–22 Aug. 2013; B.B. Tu leg.; yellow pan trap; ZJUH Nos 201300351, 201300352 • 1 ♀; Ningshaan, from Huangguan to Xunyangba; 33°32.400′ N, 105°21.600′ E; elev. 1236 m; 17 Sep.–5 Oct. 2016; J.L. Tan and Q.Q. Tan leg.; Malaise trap; NWUX • 2 ♀♀; Ningshaan, Foping, Liangfengya; 33°5.400′ N, 107°54.000′ E; elev. 1729 m; 20 Jul.–26 Nov. 2017; J.L. Tan and Q.Q. Tan leg.; Malaise trap; NWUX .

Description

Female

MEASUREMENTS. Length of body 4.1 mm, fore wing 3.9 mm.

COLOURATION. Black; antenna dark brown except scapus anteriorly whitish; eye dorsally with yellow patches around it; clypeus brownish yellow; mandible whitish to yellowish and with reddish teeth; prothorax yellow; metasomal carapace black except lateral border of first and second tergite yellow; metasoma ventrally white or ivory; fore and middle legs pale brown except coxa and basal tibia white; hind femur yellowish brown except basally whitish, hind tibia dark brown except basally whitish, hind coxa, trochanter and tarsus ivory or pale yellow; pterostigma, parastigma and wing veins brown.

HEAD (Fig. 30A–C). Width 1.4 × median length in anterior view (Fig. 30B) and part of head above eye in lateral view 0.3× height of eye (Fig. 30C); antenna with 44 segments and 1.6× as long as fore wing, slightly widened and distinctly shortened medially, medial segments about as long as wide, gradually narrowing apically, subapical segments non-moniliform and longer than wide, third, fourth, tenth, fifteenth and penultimate segments 4.6, 4.3, 1.7, 1.1 and 2.3× as long as wide in lateral view, respectively (Fig. 30J–K); area of stemmaticum transversely striate; OOL: OD: POL=33: 8: 10; length of eye 0.7 × temple in dorsal view (Fig. 30A); frons transversely rugulose-reticulate and with median carina; vertex reticulate-rugose with short setae; temple punctate and shiny; face rugulose and with distinct median ridge, dorsally connected to median carina; clypeus smooth except for fine punctation, distinctly truncate medio-ventrally; eye width in lateral view 0.7× maximum width of temple (Fig. 30C), eye height in anterior view 0.6 × minimum width of face (Fig. 30B); malar space punctate and 0.8× as long as basal width of mandible; mandible rather robust, lower tooth of mandible 0.6× as long as apical tooth (Fig. 30D); face width 1.1 × height of face and clypeus together.

MESOSOMA (Fig. 30G–H). Length 1.4× its width in lateral view (Fig. 30H); side of pronotum superficially punctate-rugulose; mesoscutum regularly and densely reticulate; notauli absent; scutellar sulcus with seven short crenulae (Fig. 30G); scutellum mainly punctate and shiny except basally rugulose; mesopleuron distinctly punctate and without smooth and shiny area posteriorly, precoxal sulcus absent; propodeum reticulate, without median carina, with irregular transverse carina connected to four weak and blunt tubercles laterally.

WINGS (Fig. 30F). Fore wing 3.0× as long as its maximum width; second submarginal cell distinctly petiolate; vein m-cu distinctly postfurcal; vein r and vein SR1 straight; vein 1-SR+M somewhat curved; length of 1-R1 1.1× pterostigma; vein r issued far beyond middle of pterostigma, 1.4× vein r-m; r: 2-SR: SR1=15: 34: 71; vein 1-CU1 0.2× as long as vein 2-CU1. Hind wing: M+CU: 1-M: 1r-m =25: 43: 15.

LEGS (Fig. 30E). Hind femur 4.1× as long as wide; longest spur of hind tibia 0.6 × as long as its basitarsus; hind leg smooth and shiny except fine and superficial punctation; hind tibia slender; middle tibia without ivory blister.

METASOMA (Fig. 30I, L). Oval in dorsal view (Fig. 30I), carapace 1.7× as long as wide and as long as mesosoma; first to third tergites densely reticulate-rugulose; third tergite 1.1× as long as second tergite, medial length of third tergite 0.6× its maximum width; lamella of third tergite not protruding medio-apically and with pair of small and blunt tubercles latero-apically (Fig. 30L).

VARIATION. Second submarginal cell weakly petiolate or rarely sessile; length of fore wing of female 3.5– 3.9 mm; antenna of female with 43 or 44 segments; yellow patches around eye more or less enlarged; mesoscutum medio-posteriorly and lateral border of second metasomal tergite more or less yellow; third antennal segments basally more or less whitish.

Male

Unknown.

Host

Unknown.

Distribution

China (Shaanxi, Sichuan, Zhejiang).

Remarks

Phanerotomella emeiensis sp. nov. is similar to P. flavigena sp. nov. because of the comparatively small eye in dorsal view, 0.6 × as long as the temple, the basal half of the hind femur being pale yellow and the apical half brown, the face rugose, and the temple and mesopleuron punctate and with a satin sheen. However, P. emeiensis can be distinguished from P. flavigena by having the inner tooth of the mandible 0.6× as long as the apical tooth (0.4 × in the latter), the lamella of the third metasomal tergite posteriorly with two small and blunt tubercles (without tubercles in the latter), the temple and face largely black except yellowish around the eye (temple and face entirely yellow in the latter), and the head in dorsal view black except for a yellow spot around the eye (head in dorsal view reddish brown without yellow spot around eye in the latter).