Acritoptila Wells

Wells, Alice & Johanson, Kjell Arne, 2014, Review of the New Caledonian species of Acritoptila Wells, 1982 (Trichoptera, Insecta), with descriptions of 3 new species, ZooKeys 397, pp. 1-23 : 4

Acritoptila Wells

Acritoptila Wells (1982: 262); Kelley (1989: 190); Oláh and Johanson (2010a: 70).

Type species.

Acritoptila globosa Wells, 1982, by original designation.

Revised diagnosis.

Hydroptilinae with antennae comprising 26-41 flagellomeres in male and 24-26 flagellomeres in female; in male abdominal sternite VII bearing slender subapical spine mesally; abdominal segment VIII shorter than VII, broad; abdominal segment IX deeply excavated mid-ventrally, often produced distally as stout lateral lobes; in male genitalia, gonopods fused at least partially, not forming claspers, with paired, generally slender, elongate spines ( “parameres”) laterally, arising from complex of internal apodemes, or with lateral margins of tergite X forming sclerotized spiny processes; phallic apparatus without titillator, often with complex spiny apical processes; in female, terminalia forming a short, broad oviscapt; final instar larvae laterally flattened, physogastric, head, thorax and first two abdominal segments slender, then abdominal segments increasing in size to fifth, decreasing distally from sixth, cuticle of head and thorax may have darkened bands or patches; case basically a laterally flattened purse of two equal valves, but shape and materials variable.