Leptoconops ( Holoconops ) belkini Wirth and Atchley

Leptoconops ( Holoconops) belkini Wirth and Atchley View in CoL

( Fig. 15 View Figures 9–15. 9 )

Leptoconops ( Holoconops) belkini Wirth and Atchley, 1973: 37 View in CoL (key; female, male; fig. female head, wing, hind tibial comb, genitalia, hind tarsomere 5, palpus, male genitalia, antenna; California).

Diagnosis. ( Table 13) Entirely dark brown to black; stigma pale, often indistinct; eyes bare; palpal segment 3 sensory pit as deep as wide, broadening internally on female (as in Fig. 32 L View Figures 27–32 . foulki); hind tibial comb with four spines; claw without basal tooth. Female: antenna with 11 flagellomeres; clypeus with four setae, median pair about as far apart from each other as from corresponding lateral setae; hind tarsomere 3 ~1.5× longer than 5; two ovoid spermathecae, vestigial third absent; cerci>3× longer than wide (as in Fig. 1 View Figures 1–2 ). Male: tergite 9 with distal shoulders abruptly narrowed to base of adjacent apicolateral processes; aedeagal sclerites longer than any paramere sclerite,>0.3 as long as gonocoxite; strongly sclerotized lobe in median portion of tergite 9 dorsal to aedeagus.

Distribution. California, Arizona.

Adult behavior. Females and males have been collected on the face of and swarming around a human, but not biting ( Wirth and Atchley 1973); and Mullens and Dada (1992a) collected L. belkini from domestic rabbit ( Oryctolagus cuniculus ), Japanese quail ( Coturnix japonica ), and bighorn sheep ( Ovis canadensis nelsoni Merriam , Bovidae ).