Pseudolycoriella setigera ( Hardy, 1960 )

Mohrig, Werner, Kauschke, Ellen & Broadley, Adam, 2019, Revision of black fungus gnat species (Diptera, Sciaridae) described from the Hawaiian Islands by D. E. Hardy and W. A. Steffan, and a contribution to the knowledge of the sciarid fauna of the Galápagos Islands, Zootaxa 4590 (4), pp. 401-439 : 426-427

Pseudolycoriella setigera ( Hardy, 1960)

( Fig. 17 A – E )

Spathobdella setigera Hardy, 1960 [ Hardy (1960): 234 – 235, fig. 80 a – c]. Literature: Steffan (1973a): 356 (as Bradysia setigera ); Menzel & Smith (2009): 41 – 43, fig. 45 – 47; Menzel et al. (2013): 292 – 293, fig. 22 – 23; Köhler & Menzel (2013): 69.

Material studied: Holotype , 29.x.1952, Hawai‘i, Keanakolu, 5200 ft., leg. C.P. Hoyt (BPBM, No. 2487). Further material: 1 male, 28.iv.1972, Chain of Craters & Hilina Pali Rd. Junction, 3880 ft., leg. W. Gagné (BPBM); 1 male, 1 female, 27.x.1970, Hawai‘i Islands, leg. W.A. Steffan (1 male in PWMP).

Comments. The species is characterized by a 3-segmented palpus, sometimes with the tendency to reduction to two segments in both sexes (unusual in the genus), forehead with a few short bristles, wings with strong C and R 5 veins, short flagellomeres (l/w index 1.2-1.4), fore tibia with an indistinct tibial organ (3-4 somewhat isolated bristles, not different from the ground hair), gonostylus with short hairs and 2 short subapical spines and a long whiplash hair, gonocoxites with short hairs at the ventral inner margin.

Distribution. Hawai’i; New Caledonia; Seychelles Islands; Tristan da Cunha.

Figures

FIGURE 17 A–E. Pseudolycoriella setigera (Hardy, 1960). Holotype. A. Hypopygium; B. Head; C. Flagellomeres 3–5; D. Apex of fore tibia; E. Wing.