Arisemus atrasetus

Arisemus atrasetus (Rapp, 1945) Psychoda atraseta Rapp, 1945: 310. Arisemus atrasetus (Rapp): Duckhouse, 1974: 58–60, figs.12–17; Quate & Brown 2004: 78, 88. Arisemus lepidotos Quate, 1996: 23–25, figs. 9d–g; Quate & Brown 2004: 78 (as synonym of A. atrasetus). Arisemus stylofurcatus Collantes & Martínez-Ortega, 1999: 216–218; Quate & Brown 2004: 78 (as synonym of A. atrasetus). Diagnosis. Scape long, about 3 times the length of the pedicel. Radial and medial forks complete, on same level, with Rs pectinate, infuscate spots limited to vein tips and forks. Male genitalia with aedeagus and paramere extended well beyond gonocoxite apex, aedeagus sickle-shaped, shorter than paramere; paramere slightly curved with blunt apex; gonostylus bifurcate near base. Female genital plate with inverse V-shaped structure on inner face; hypoginal valves united at base, slightly divergent and pointed; oval structures of genital ducts with striations, longitudinal and lateral struts developed, and genital chamber with a long rod in center (see Duckhouse 1974, Quate 1996, Collantes & Martínez-Ortega 1999, Quate & Brown 2004 and Ježek et al. 2021 for complete description). Material examined. MEXICO: Puebla, Jolalpan, Rancho El Salado (18° 20'35. 3"N, 98° 57'19.1"W, altitude 927–948 m), 15-x-2014, 1 ♂, 1 ♀; 17-x-2014, 1 ♀; 13-ii-2015, 1 ♀; 01-v-2015, 3 ♀; 02-v-2015, 5 ♀; 30-iv-2017, 1 ♂, 2 ♀; 01-v-2017, 1 ♂, 2 ♀; 02-v-2017, 2 ♀. CDC light trap, J. Durán-Luz, col. Veracruz, municipio Santiago Tuxtla, Medellín (18° 24'59"N, 95° 22'3"W, 69 m asl), acahual, 6-iv-2010, 1 ♂, 7-iv-2010, 1 ♂, CDC light trap, Jurisdicción sanitaria 10, col. Known Distribution. Costa Rica, Guatemala, Nicaragua, Panama, and Mexico (Puebla, Veracruz) by the present report.