Allocladius wangorum, Ferrington Jr & Saether, 2011

Ferrington Jr, Leonard C. & Saether, Ole A., 2011, A revision of the genera Pseudosmittia Edwards, 1932, Allocladius Kieffer, 1913, and Hydrosmittia gen. n. (Diptera: Chironomidae, Orthocladiinae) 2849, Zootaxa 2849 (1), pp. 1-314 : 78-79

Allocladius wangorum sp. n.

( Fig. 19 B–E )

Type material: Holotype male, CHINA: Inner Mongolia, Alex , 31 viii 1987, X. Wang ( ZMBN Type No. 432).

Diagnostic characters: The male imago is close to A. longicrus , differing in the presence of a short rounded anal point, a substantially higher AR of 1.46 and somewhat smaller size.

Etymology: Named in honor of Xinhua Wang, Nankai University, Tientsu, who collected this and other specimens of the Pseudosmittia complex in China, and Shida Wang, Institute of Hydrobiology, Academia Sinica, Wuhan who supplied us with a long series of A. aizaiensis Wang.

Male imago (n = 1)

All measurements and ratios are within the variation of A. conigerus with the following exceptions and additions: Total length 2.59 mm; total length/wing length 2.02; wing length/length of profemur 3.45; coloration brownish black; AR 1.42; palpomere 5 85 µm long; 8 dorsocentral setae; Cu 1 slightly curved; BR 1 3.9; ta 4 of middle leg 54 µm long, of hind leg 59 µm long; LR 3 0.50; BR 3 4.1; anal point rounded, 16 µm long; virga broad, dark, 14 µm long; gonocoxite 210 µm long; superior volsella reaching 0.46 gonocoxite length; gonostylus 80 µm long.

Female, pupa and larva

Unknown.

Remarks

Considering the variation within some of the other species, A. wangorum could eventually turn out to be conspecific with A. longicrus . However, the differences found in the present material are significant.

Distribution

The species in known only from the type locality in Inner Mongolia, China .

Figures

FIGURE 19. Allocladius spp., males. A—A. salti (Freeman), hypopygium. B–E. A wangorum sp. n. B—antepronotum; C— wing; D—hypopygium, left dorsal aspect, right ventral aspect; E—virga.