Alysia macrops Wharton, 1986

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 : 30-32

Alysia macrops Wharton, 1986

Figs 21–22

Alysia marcrops Wharton, 1986: 487 ; Chen & Wu, 1994: 33; Belokobylskij, 1998: 178.

Material. 1♀ ( ZJUH), “ [SE. China:] Zhejiang, Linan , Qingliangfeng, 10.?.2005, Shi Min, No. 200607346” ; 2 ♀ ( ZJUH), id., but No. 200607367, 200607651 ; 3 ♀ ( ZJUH), id., but 12.?.2005, No. 200607651, 200607671, 200607650 ; 3 ♀ ( ZJUH), id., but 12.?.2005, Zhang Hongying, No. 200607760, 200607719, 200607754 ; 1♀ ( ZJUH), Zhejiang, Anji, Mt. Longwang , 31.?.1993, Chen Xuexin, No. 939733 ; 1♂ ( ZJUH), Zhejiang, Linan, Qingliangfeng , 10.?.2005, Shi Min, No. 200607377 ; 1♂ ( ZJUH), id., but 12.?.2005, Zhang Hongying, No. 200607758 ; 1♂ ( ZJUH), id., but Zhang Hongying, No. 200607454 ; 1♀ ( ZJUH), Hebei, Mt. Xiaowutai, Shanxunkou , 22.?.2005, Zhang Hongying, No. 200608685 ; 5 ♀ ( ZJUH), Guangdong, Fuyuan Nanling , 4.?.2004, Xu Zaifu, No. 20049712, 20049759, 20049602, 20049871 ; 1♀ ( ZJUH), Yunnan, Mt. Pingbiandawei , 18.?.2003, Xu Zaifu, No. 20055167 .

Diagnosis. Body black ( Fig. 21); eye in dorsal view 2.8 × as long as temple ( Fig. 22H ); eye in lateral view as high as wide ( Fig. 22J ); frons smooth posteriorly, but with some rugae near antennal sockets and densely granulate ( Fig. 22H ); vertex and temple smooth ( Fig. 22H ); face 1.5 × wider than high, rather convex medially, densely granulate and with a medio-longitudinal ridge ( Fig. 22I ); clypeus small and semi-elliptical ( Fig. 22I ); precoxal sulcus widely crenulate, not reaching middle coxa and anterior edge of epicnemial area ( Fig. 22B ); notauli sparsely crenulated and incomplete, impressed on disc ( Fig. 22C ); medio-posterior depression deep and crenulated, not extending to middle of mesoscutum ( Fig. 22C ); surface of propodeum densely reticulate-rugose, areola absent posteriorly ( Fig. 22D ); pterostigma 4.0 × longer than its maximum width ( Fig. 22A ); hind coxa smooth ( Fig. 22M ); length of first tergite 2.4 × its apical width, its surface longitudinally striate, its dorsal carinae connected posteriorly ( Fig. 22D ); setose part of ovipositor sheath 0.4 × as long as fore wing (total visible sheath 0.4 times), and 1.3 × as long as hind tibia ( Fig. 22G ); antenna black (but scapus and annellus yellowish); mandible, pronope, metasoma (except first tergite black and posterior part of second to six tergite brownish) and legs (except hind tarsus, hind tibia and apical part of hind femur dark reddish brown) yellowish ( Fig. 21).

Description. ♀, Length of body 4.4 mm, of fore wing 4.5 mm.

Head. Transverse, width of head twice its lateral length, and 1.5 × wider than mesoscutum ( Fig. 22H ); antenna with 39 antennomere, third antennomere (including annellus) 1.5 × longer than fourth antennomere, length of third, fourth and penultimate antennomere5.0, 3.5 and 2.5 × their width, respectively ( Fig. 22F ); maxillary palp incomplete ( Fig. 21); eye in dorsal view 2.8 × as long as temple ( Fig. 22H ); eye in lateral view as high as wide ( Fig. 22J ); frons smooth posteriorly, but with some rugae near antennal sockets and densely granulate ( Fig. 22H ); vertex and temple smooth; OOL:diameter of ocellus:POL= 11:5:4; face 1.5 × wider than high, rather convex medially, densely granulate and with a medio-longitudinal ridge ( Fig. 22I ); clypeus small and semi-elliptical ( Fig. 22I ); mandible enlarged apically, dorsal tooth enlarged, lobe-shaped ( Fig. 22K ), ventral tooth medium-sized and lobeshaped ( Fig. 22L ), ventral carina protruding, middle tooth curved and acute, with no incision between first and second tooth ( Fig. 22K ), medial length of mandible 1.6 × its maximum width.

Mesosoma. Length of mesosoma 1.4 × its height ( Fig. 22B ); pronope absent; medio-anteriorly pronotum crenulate, remainder of pronotum smooth; epicnemial area crenulate; precoxal sulcus widely crenulate, not reaching middle coxa and anterior edge of epicnemial area ( Fig. 22B ); pleural sulcus crenulated ventrally ( Fig. 22B ); episternal scrobe round and deep; metapleuron densely reticulate-rugose ( Fig. 22B ); mesonotum with few setae along notaulic courses and anterior part of middle lobe of mesoscutum ( Fig. 22C ); notauli sparsely crenulated and incomplete, present on disc anteriorly ( Fig. 22C ); medio-posterior depression deep and crenulated, not extending to middle of mesoscutum, scutellar sulcus deep, with one longitudinal carina and three small carinae, sulcus 2.5 × wider than its maximum length ( Fig. 22C ); scutellum smooth; surface of propodeum densely reticulate-rugose, areola absent posteriorly ( Fig. 22D ).

Wings ( Fig. 22A ). Pterostigma 4.0 × longer than its maximum width. r:3-SR:SR1 = 1:33:86; 1-SR+M nearly straight; SR1 straight; r 0.6 × as long as width of pterostigma; cu-a weakly postfurcal; 1-CU1:2-CU1 = 1: 15; 3- CU1 as long as CU1b; 2-SR:3-SR:r-m = 6:5:3; m-cu interstitial, converging to 1-M posteriorly; first subdiscal cell 5.0 × as long as wide; M+CU1 largely unsclerotized. Hind wing: M+CU: 1-M: 1r-m = 20:15:11; m-cu weakly antefurcal.

Legs. Hind coxa smooth, without ventro-basal tubercle; tarsal claws slender, longer than arolium ( Fig. 22M ); length of femur, tibia and basitarsus of hind leg 5.0, 8.8 and 6.3 × their width, respectively; apical appendages of hind tarsal segments absent, segments ventrally with dense bristles ( Fig. 22M ).

Metasoma. Length of first tergite 2.4 × its apical width, its surface longitudinally striate, its dorsal carinae connected posteriorly ( Fig. 22D ); dorsope distinct; convexity of upper valve of ovipositor low basally ( Fig. 22G ); setose part of ovipositor sheath 0.4 × as long as fore wing (total visible sheath 0.4 times), and 1.3 × as long as hind tibia ( Fig. 22G ).

Colour. Black ( Fig. 21); antenna black (but scapus and annellus yellowish); mandible, pronope, metasoma (except first tergite black and posterior part of second–sixth tergites brownish) and legs (except hind tarsus, hind tibia and apical part of hind femur dark reddish brown) yellowish; clypeus, pterostigma and veins brown; wing membrane hyaline.

Variation. Males are similar to females, body length of ♂ 3.2–3.5 mm; of fore wing 3.3–3.6 mm; antennal segments of ♂ 34 (1). Females have body length 3.4–4.4 mm, and length of fore wing 3.3–4.5 mm, eye in dorsal view 2.3–2.7 × as long as temple; face 1.5–1.7 × wider than high, antennal segments of ♀ 33(1), 34(1), 35(1), 36(1), 37(2), 38 (1) or 39(1).

Figures

FIGURE 22. Alysia macrops Wharton, ♀, China (Zhejiang), A, wings; B, mesosoma, lateral aspect; C, mesosoma, dorsal aspect; D, propodeum, first and second metasomal tergites, dorsal aspect; E, propodeum and metasoma, dorsal aspect; F, basal segments of antenna, lateral aspect; G, ovipositor and ovipositor sheath, lateral aspect; H, head, dorsal aspect; I, head, anterior aspect; J, head, lateral aspect; K, mandible, full view on first and second teeth; L, mandible, full view on third tooth; M, hind leg, lateral aspect.