Paracladopelma doris (Townes)

Zorina, Oksana V., 2006, Non­biting midges of the genus Paracladopelma Harnisch (Diptera: Chironomidae) from the Russian Far East, Zootaxa 1134, pp. 29-49 : 32

Paracladopelma doris (Townes)

( Figs. 4–5 )

Harnischia (Cladopelma) doris Townes, 1945: 151

Chironomus (Cryptochironomus) doris (Townes) ; Sublette & Sublette (1965: 167) Paracladopelma doris (Townes) ; Hudson (1971: 169)

Material. 1 male, Russia, Khabarovsk Territory, Ussuri River near Zabaykalskoe Village, 25.VII.2003, leg. T. Tiunova.

Male imago (n = 1)

Wing length 1.15 mm.

Coloration. Scape yellow, flagellomeres dark brown; ground color of thorax pale yellow, mesonotal stripes yellow, 2/3 of postnotum brownish; P1 yellow, except brown on distal end f1 and t1, ta1–5; P2 and P3 yellowish; abdomen yellowish.

Head. Frontal tubercles small (6.75 m long and 4.5 m wide). Verticals 7–8. Clypeus with 10 setae.

Thorax. Antepronotals 0, acrostichals 7, dorsocentrals 5–6, prealars 2–3, supraalars 1. Scutellum with 5 setae.

Wing. Length 1.15 mm, width 0.34. VR 0.89. R and R1 without setae, R4+5 with 2 apical setae. Squama with 2 setae, brachiolum with 1 seta.

Legs. Terminal combs of median and hind tibiae with 2 spurs (length 18 m). Leg segments lost.

Hypopygium ( Figs. 4–5 ). Anal tergite bands of H­type. Anal point (length 23 m, width 9 m) widest subapically. Laterosternite IX without setae. Transverse sternapodeme 32 m long. Gonocoxite (length 68 m) with 3 setae. Superior volsella consisting of membranous, bare, pediform dorsal lobe (length 27 m, width 14 m) and triangular ventral lobe (length 36 m) covered by microtrichia and bearing 5 setae. Inferior volsella slightly pointed apically (length 59 m, width 14 m). Gonostylus (length 68 m, width 18 m) curved, widest at about median. HR 1.

Remarks. The male from the Russian Far East has the wing 1.15 mm long; P1 yellowish except for the brown distal end of f1 and t1, ta1–5; P2 and P3 yellowish. Males from the Nearctic Region have the wing 1.35–1.65 mm long and the legs stramineous ( Townes 1945, Jackson 1977).

Distribution. Holarctic. In the Palaearctic Region, this species is known as larvae from the Komi Republic ( Kuzmina et al. 2003).

Figures

FIGURES 1 – 5. Male imago Paracladopelma augustus sp. nov. (1 – 3) and Paracladopelma doris (4 – 5). 1, 4. Hypopygia. 2, 3, 5. Superior volsellae. Scale bar = 50 m.