Alysia umbrata Stelfox, 1941

Zhu, Jia-Chen, Achterberg, Cornelis Van & Chen, Xue-Xin, 2018, Review of the genus Alysia Latreille (Hymenoptera, Braconidae, Alysiinae), with description of six new species from China, Zootaxa 4500 (1), pp. 1-42 : 35-38

Alysia umbrata Stelfox, 1941

Figs 25–26

Alysia sophia var. umbrata Stelfox, 1941: 12 .

Alysia umbrata ; Fischer, 1967: 132; Wharton, 1986: 463; 1988: 47.

Alysia (Anarcha) umbrata ; Wharton, 1986: 463, 1988: 47.

Material. 1♀ ( ZJUH), “ [NE. China:] Jilin, Mt. Changbai , 6.?.1999, Lin Naiquan, No. 20035591” .

Diagnosis. Body black ( Fig. 25); eye in dorsal view 1.3 × as long as temple ( Fig. 26I ); eye in lateral view 1.3 × higher than wide ( Fig. 26K ); frons with some rugae around antennal sockets and setae near antennal sockets ( Fig. 26I ); vertex and temple smooth; face rugose and with some punctures, 1.5 × wider than high, rather convex medially and with a longitudinal ridge ( Fig. 26J ); clypeus small, semi-elliptical and some punctures ( Fig. 26J ); precoxal sulcus widely crenulate, reaching middle coxa and anterior edge of epicnemial area ( Fig. 26C ); notauli incomplete and short, only present anteriorly; medio-posterior depression deep and droplet-shaped, not extending to middle of mesoscutum ( Fig. 26D ); surface of propodeum densely reticulate-rugose, areola absent posteriorly; pterostigma wide, 4.2 × longer than its maximum width ( Fig. 26A ); hind coxa smooth ( Fig. 25); length of first tergite 1.4 × its apical width, its surface longitudinally striate, its dorsal carinae separated posteriorly ( Fig. 26E ); setose part of ovipositor sheath 0.2 × as long as fore wing (total visible sheath 0.3 times), and 0.7 × as long as hind tibia ( Fig. 26H ); antenna and metasoma except first tergite dark brown; palpi yellow; mandible, ventral side of coxa and femur yellowish brown; dorsal side of coxa, femur, apex of hind tibia and whole tarsus reddish brown ( Fig. 25).

Description. ♀, Length of body 3.3 mm, of fore wing 4.1 mm ..

Head. Transverse, width of head 1.9 × its lateral length, and 1.3 × wider than mesoscutum ( Fig. 26I ); antenna with 38 antennomere, third antennomere (including annellus) 1.4 × longer than fourth antennomere, length of third, fourth and penultimate antennomere4.0, 2.2 and 2.5 × their width, respectively ( Fig. 26G ); length of maxillary palp 1.6 × height of head ( Fig. 25); eye in dorsal view 1.3 × as long as temple; eye in lateral view 1.3 × higher than wide ( Fig. 26I ); frons with some rugae around antennal sockets and setae near antennal sockets ( Fig. 26I ); vertex and temple smooth; OOL:diameter of ocellus:POL= 10:3:4; face rugose and with some punctures, 1.5 × wider than high, rather convex medially and with a longitudinal ridge ( Fig. 26J ); clypeus small, semi-elliptical and with some punctures ( Fig. 26J ); mandible enlarged apically, dorsal tooth enlarged, lobe-shaped ( Fig. 26L ), ventral tooth medium-sized and lobe-shaped ( Fig. 26M ), middle tooth curved and acute, with incision between first and second tooth ( Fig. 26L ), medial length of mandible 1.6 × its maximum width.

Mesosoma. Length of mesosoma 1.4 × its height ( Fig. 26C ); pronope absent; medio-anteriorly pronotum widely crenulate, remainder of pronotum weakly rugose; epicnemial area crenulated; precoxal sulcus widely crenulate, reaching middle coxa and anterior edge of epicnemial area ( Fig. 26C ); pleural sulcus narrowly crenulated; episternal scrobe linear and deep; metapleuron largely smooth, but reticulate-rugose ventrally ( Fig. 26C ); middle lobe of mesoscutum densely setose ( Fig. 26D ); notauli incomplete and short, only present anteriorly ( Fig. 26D ); medio-posterior depression deep and droplet-shaped, not extending to middle of mesoscutum, scutellar sulcus deep and rugose, with three short carinae, sulcus 3.0 × wider than its maximum length ( Fig. 26D ); scutellum smooth; surface of propodeum densely reticulate-rugose, areola absent posteriorly ( Fig. 26E ).

Wings ( Figs 26A–B ). Pterostigma wide, 4.2 × longer than its maximum width. r:3-SR:SR1 = 1:4:14; 1-SR+M slightly sinuate; SR1 straight; r 0.5 × as long as width of pterostigma; cu-a postfurcal; 1-CU1:2-CU1 = 3: 20; 3- CU1 as long as CU1b; 2-SR:3-SR:r-m = 21:19:11; m-cu postfurcal, converging to 1-M posteriorly; first subdiscal cell 3.3 × as long as wide; M+CU1 largely unsclerotized. Hind wing: M+CU: 1-M: 1r-m = 4:3:2; m-cu weakly postfurcal.

Legs. Hind coxa smooth ( Fig. 26E ), without ventro-basal tubercle, densely setose; tarsal claws moderately slender, as long as arolium ( Fig. 26N ); length of femur, tibia and basitarsus of hind leg 3.8, 7.8 and 3.3 × their width, respectively; apical appendages of hind tarsal segments absent, but segments ventrally with dense bristles ( Fig. 26N ).

Metasoma. Length of first tergite 1.4 × its apical width, its surface longitudinally striate, its dorsal carinae separated posteriorly ( Fig. 26E ); dorsope distinct; setose part of ovipositor sheath 0.2 × as long as fore wing (total visible sheath 0.3 times), and 0.7 × as long as hind tibia ( Fig. 26H ).

Colour. Black ( Fig. 25); antenna and metasoma except first tergite dark brown; palpi yellow; mandible, ventral side of coxa and femur yellowish brown; dorsal side of coxa, femur and apical hind tibia and whole tarsus reddish brown; pterostigma and veins brown; wing membrane hyaline.

Figures

FIGURE 26. Alysia umbrata Stelfox, ♀, China (Jilin), A, fore wing; B, hind wing; C, mesosoma, lateral aspect; D, mesosoma, dorsal aspect; E, propodeum, first and second metasomal tergites, dorsal aspect; F, propodeum and metasoma, dorsal aspect; G, basal segments of antenna, lateral aspect; H, ovipositor and ovipositor sheath, lateral aspect; I, head, dorsal aspect; J, head, anterior aspect; K, head, lateral aspect; L, mandible, full view on first and second teeth; M, mandible, full view on third tooth; N, hind leg, lateral aspect.