. Bulletin. Science; Natural history; Natural history. 4b III I I 1 IIX SOUTHERN CALIFORNIA ACADEMY Ol SCIENCES VOLUME 70. Figure 1. Kempynus crenatus, wing venation. four dark marks, black triangle on prescutal- scutal suture, scutum and scutellum black laterally. Pleurae irregularly variegated, coxae fuscous, fore and mid-femora with pair of subapical central dark marks and dark dorsoapical spot, hind femora paler. Tibiae pale, dark bands at base, middle and apex. Tarsi brownish, apical tarsomere dark. Female fore coxa with an anterolateral field of numerous short pedestalled setae. Wing ven
. Bulletin. Science; Natural history; Natural history. 4b III I I 1 IIX SOUTHERN CALIFORNIA ACADEMY Ol SCIENCES VOLUME 70. Figure 1. Kempynus crenatus, wing venation. four dark marks, black triangle on prescutal- scutal suture, scutum and scutellum black laterally. Pleurae irregularly variegated, coxae fuscous, fore and mid-femora with pair of subapical central dark marks and dark dorsoapical spot, hind femora paler. Tibiae pale, dark bands at base, middle and apex. Tarsi brownish, apical tarsomere dark. Female fore coxa with an anterolateral field of numerous short pedestalled setae. Wing venation as in Figure 1. MP2 of forewing dichotomously branched basad of union of CuA and CuP, posterior fork pectinate. Malculations brown. Abdomen fuscous at tip; setal bases infuscate. External male abdominal apex much as in K. incisus (Kimmins, 1940). Gonocoxites (Fig. 2A) resemble those of (Fig. 2B), but are more elongate. Hypandrium internum (Fig. 2C) more elongate than in K. falcatus. Female abdominal apex much as in eighth sternite (Fig. 2F, G) setose anterolaterally, posterior lobes shorter and more rounded than in falcatus. Spermathecae slightly bent, constricted in middle, basal portion spherical: in one specimen, the spermathecae are ovoid (Fig. 2E). Colleterial gland reservoir (Fig. 2H, cgr) and bulb slightly longer than in falcatus, and bursal gland duct (bgd) less tortuous. Measurements (mm). Forewing length, 9, , , ; 3 Antenna length. 9. , , ; S Holotype. Chile, Prov. Nuble, Cordilleras Chil- ian, Las Trancas, 12 km E. Recinto, 1-10 Dec. 1964, 9, leg. L. E. Pena, Museum of Comparative Zoology, Harvard [ca. 800 mt., 71°37' W, 36°51' S]. Allotype. Argentina, Prov. Neuquen, Pucara, Parque Nacional Lanin, Jan. 1951, 8, leg. S. S. Schajovskoy, Museum of Comparative Zoology, Harvard (ex coll. E. G. MacLeod). Paratypes. I 9, same data as holotype, E. G. MacLeod collection. Argentina, Prov. Neuquen, Pucara, 30 Nov. 1
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