Protidricerus exilis ( McLachlan, 1894 )

Zhang, Jie, Sun, Mingxia & Wang, Xinli, 2015, Synopsis of subfamily Haplogleniinae Newman, 1853 in China (Neuroptera: Ascalaphidae), Zootaxa 3941 (3), pp. 375-390 : 383-384

Protidricerus exilis ( McLachlan, 1894)

( Figs. 17–19 )

Idricerus exilis McLachlan, 1894: 424 . Protidricerus exilis: Weele, 1908: 62 .

Diagnosis. Wing narrow, distal margin and posterior margin of hind wing flat curve or almost straight, CuA2 reaching over 1 cell, forewing axillary angle somewhat projecting. Hind wing distal margin and posterior margin flat curve, CuA2 indistinct, cubital area with 3-4 cells in the longest central across row.

Measurements. Female: body length 28–35 mm, abdomen length 18 mm, antenna length 23–26 mm, forewing 36–42 mm, hind wing 31–37 mm. Male: Unknwon.

Head. Vertex black, with white and brown long hairs. Frons black, with white and grey long hairs. Genae, clypeus and labrum yellow. Labrum terminal with a row of yellowish brown setae. Mandible brown with dark brown terminal. Maxillary palpus and labial palpus brown, with black short setae. Eyes black with brown stripes, entire, no transverse furrow. Antennae black, terminal with dense black short setae.

Thorax. Black, anterior and posterior margin of pronotum and mesothorax with white and brown long setae. Metathorax with white long setae.

Wings. Forewing hyaline, long and narrow. The distal and posterior edge shallow arc shaped, almost parallel to the anterior margin. Axillary angle slightly prominent. Veins dark brown. Pterostigma dark brown, with 4–5 crossveins. Costal area with 32 crossveins, apical area with 3 rows of cells, Cubital area with 4–5 rows of cells the longest central across row. Hind wing shorter than forewing. Pterostigma dark brown, longer than pterostigma of forewing. Apical area with 3 rows of cells, Cubital area with 3–4 rows of cells the longest central across row. CuA2 short, reaching over one cell.

Legs. Black. Femora with white and black long setae. Tibia with black setae. Spurs and claws red brown. Spurs reaching end of 2nd tarsomere.

Abdomen. Grey brown, short than hind wing. Basal pleuron with long brown setae. 1st and 2nd sternites with long white setae, other segments with long black setae.

Terminalia and Genitalia. Female ( Figs. 18–19 ). Ventrovalvae triangular, interdens present; linguella small; distivalvae nearly oval.

Material examined. 1 ♀, China, Hubei Shennongjia Hongping, 1800 m, 10. VII. 1980, Junhua He, CAUN 200339; 2 ♀, Sichuan Jiuzhai valley, VIII. 2002, Fuming Shi, CAUN 200336, CAUN 200337; 1 ♀, Sichuan Kangding Pengta, 1. IX. 2005, Fuming Shi, CAUN 200376; 1 ♀, Yunnan Yuxi, 13. V. 1980, Qirong Zhao, CAUN 200338; 1 ♀, Yunnan Laojun mountain Sanchahe, 2700 m, 29. VII. 1980, Chuanzu Jian, CAUN 200340; 1 ♀, Shaxi Taibai mountain Songping temple, 1200 m, 13. VII. 1983, Shanxi Taibai mountain insect study group, CAUN 200341; 1 ♀, Gansu Dangchang, 20. VII. 1980, Rencu Luo, CAUN 200335.

Distribution. China: Hubei, Sichuan, Yunnan, Shanxi, Gansu.

Figures

FIGURES 17 – 19. Protidricerus exilis. 17. Female. 18. Female terminalia, lateral view. 19. Female terminalia, ventral view.