Leptoconops (Holoconops) reesi Clastrier and Wirth

Phillips, Robert A., 2022, Culicoides Latreille and Leptoconops Skuse biting midges of the southwestern United States with emphasis on the Canyonlands of southeastern Utah (Diptera: Ceratopogonidae), Insecta Mundi 2022 (907), pp. 1-214 : 24

Leptoconops (Holoconops) reesi Clastrier and Wirth

Leptoconops (Holoconops) reesi Clastrier and Wirth, 1978: 42 (key; female, male; fig. female antenna, palpus, spermathecae; Utah).

Leptoconops kerteszi , misidentified: Rees and Smith 1950 (in part; biology).

Leptoconops (Holoconops) kerteszi , misidentified: Wirth 1952a: 113 (in part; key; female; male genitalia; biology). Fox 1955: 263 (key; taxonomy). Wirth and Atchley 1973: 45 (in part; key; female, male; fig. female wing, head, genitalia, spermathecae, hind tibial comb, fore tarsomeres 1 and 2, male genitalia; biology).

Diagnosis. ( Table 13) Body, including head capsule, light yellowish brown, femora and basal portion of tibiae brown, apical portion yellowish, all tarsomeres 1, usually 2, yellowish; median pair of distal clypeal setae ≥0.8 as far apart from each other as from corresponding lateral setae (as in Fig. 10 L . knowltoni); palpal segment 3 sensory pit as deep as wide, broadening internally on female (as in Fig. 32 L . foulki); mid tarsomere 1 without submedian spine. Female: stigma triangular, pointed; clypeus with one to three smaller proximal setae in addition to the four distal setae, distomedian pair out-of-line distad of lateral setae by ~0.7 their distance apart; antenna with 11 flagellomeres; flagellomere 11 without submedian black seta; flagellomere 4 dorsal hyaline sensory seta distal and medial to long black seta, out of axial alignment with corresponding sensory setae on flagellomeres 5–10 (as in Fig. 30 L . sublettei); hind tarsomere 3 ~1.7× longer than 5; spermathecae somewhat pyriform, with caplike diverticulum (as in Fig. 28 L . foulki); cerci>3× longer than wide ( Fig. 1 ). Male: tergite 9 with distal shoulders abruptly narrowed to base of adjacent apicolateral processes, without dorsal process, ventro-posterior setae separated by ~2× as much as separation of apicolateral processes (as in Fig. 20 L . knowltoni); gonostylus with three ventral setae within 0.4–0.6 of gonostylus length, apical lamelliform expansion barely covering apical tooth (as in Fig. 23 L . foulki); tarsomere 5 basal seta short, erect, curved (as in Fig. 26 L . foulki).

Distribution. British Columbia, Saskatchewan, south through Idaho, Wyoming, Utah (Box Elder, Juab, Millard, Salt Lake, Toole counties), Colorado, to New Mexico.

Adult behavior. Known hosts are human and sheep ( Clastrier and Wirth 1978).

Remarks. No L. reesi were examined.

Figures

Figures 9–15. 9) Leptoconops americanus female clypeus, setae (s). 10) L. knowltoni female clypeus. 11) L. knowltoni female palpal segment 3. 12) L. carteri female palpal segment 3 (Yolo County, CA). 13) L. werneri female tarsomeres 4–5 and claw (paratype, Imperial County, CA [UCRC]). 14) L. werneri male genitalia, ventral view, tergite 9 apicolateral processes (T9alp), meso-posterior lobe setae (s) (Riverside County, CA [UCRC]). 15) L. belkini male genitalia, ventral view, tergite 9 sclerotized lobe (L) (Riverside County, CA [UCRC]).

Figures 27–32. Female Leptoconops. 27) L. knowltoni flagellomeres 9–11, median black seta (s). Spermathecae (sp), diverticulum (d), neck (spn). 28) L. foulki. 29) L. americanus. 30) L. sublettei flagellomeres 3–6, flagellomere 4 seta bases (sb), hyaline sensory seta (hss). Palpal segment 3. 31) L. sublettei. 32) L. foulki.

Figures 1–2. Female lateral habitus (in alcohol). 1) Leptoconops (Holoconops) Kerteszi group. 2) Culicoides (Monoculicoides) sonorensis.

Figures 20–26. 20) Leptoconops knowltoni male genitalia, ventral view, aedeagus (A), parameres (P), tergite 9 ventro-posterior setae (s), apicolateral processes (T9alp), gonostylus apical lamelliform expansion (Gsle). 21) L. foulki male genitalia, ventral view. 22) L. knowltoni gonostylus, ventral setae (vs). 23 L. foulki gonostylus. 24) L. foulki parameres (P), proximal tooth (t). Male tarsomere 5, basal seta (bS). 25) L. knowltoni. 26) L. foulki.