Two New Species of Halictophagidae (Insecta: Strepsiptera) from the Brazilian Amazon Basin Author Kogan, Marcos text Zootaxa 2012 3517 79 87 journal article 10.5281/zenodo.282617 9d215804-dcb2-49ba-82d5-cc927abfb384 1175-5326 282617 Genus: Halictophagus Curtis, 1832 : 433 Males: Antennae seven-segmented, segments III–VI with lateral flabellae; mandibles short, leathery; maxillae small; tarsi three-segmented, without claws; aedeagus hook- or anchor-shaped; 8th abdominal sternite often elongated. Hosts: Homoptera: Cercopidae , Cicadellidae , Delphacidae , Deltocephalidae , Dyctiopharidae, Eurybrachyidae , Flatidae , Fulgoridae , Hecalidae , Issidae , Ledridae , Lophopidae , Membracidae , Tettigometridae , and Tropiduchidae . The genus includes over 70 species with a cosmopolitan geographic range. Twenty-three species are known from the Nearctic and Neotropical regions. Four of these species: H. callosus Bohart, 1941: 350 (Washington, USA ); H. lappidae Oliveira & Kogan, 1960 : 183 (Pará, Brazil ); H. obtusae Bohart, 1943: 346 ( Costa Rica ); and H. uhleri Pierce, 1909 : 169 (‘Dacota’, USA ), are known only from female descriptions. Of the remaining 19 species with known male descriptions, 11 are exclusively Nearctic: H. americanus Perkins, 1905 : 105 (southern USA ); H. barberi ( Pierce, 1908 ) : 84 (New Mexico , USA ); H. bidentatus Bohart, 1941: 147 (central and western USA ); H. forthoodiensis Kathirithamby & Taylor, 2005 : 2 (Texas, USA ); H. jordani ( Pierce, 1952 ) : 5 (southwestern USA ); H. mackayi ( Bohart, 1937 ) : 103 (Saskatchewan, Canada , and Kansas, USA ); H. omani Bohart, 1943: 345 (southwestern USA ); H. oncometopiae ( Pierce, 1918 ) : 473 (southern and southwestern USA ); H. philaroniae Bohart, 1946 : 202 (Nebraska, USA ); and H. serratus Bohart, 1943: 351 (central USA ). Seven species were described from the Neotropical region: H. ararensis Trois, 1988 : 466 ( São Paulo, Brazil ); H. besucheti Luna de Carvalho, 1978: 355 (Sta. Catarina, Brazil ); H. chilensis Hofman, 1965 : 36 ( Chile ) ; H. desantisi ( Remes Lenicov, 1970 ) : 36 ( Argentina ); H. lopesi Oliveira & Kogan, 1959 : 227 (Bahia, Brazil ); H. naulti Kathirithamby & Moya- Raygoza, 2000: 1039 (Morelos, Mexico ); and H. variatus Kinzelbach, 1971b : 154 ( Guatemala ) . Two species were recorded from both zoological regions: H. acutus Bohart, 1943: 352 (North and Central America ); and H. insularum ( Pierce, 1908 ) : 84 (central and western USA , West Indies and Argentina ).