Anisocentropus (Anisocentropus) latifascia (Walker, 1852)

Oláh, János & Johanson, Kjell Arne, 2010, Description of 33 new species of Calamoceratidae, Molannidae, Odontoceridae and Philorheithridae (Trichoptera), with detailed presentation of their cephalic setal warts and grooves 2457, Zootaxa 2457 (1), pp. 1-128 : 18

Anisocentropus (Anisocentropus) latifascia , new diagnostic species-group

This diagnostic species-group, characterized by having males with short gonocoxites and simple preanal appendages includes the only representatives of the genus having a wide Gondwanan distribution, including the Afrotropical and Australasian Regions as far north as the Philippines (Oriental Region). Only a few species are present in the Oriental region. Species in the other diagnostic species-groups have variously modified inferior and preanal appendages and are diverse in and endemic to the Oriental Region and have highly modified forms present in the East Palaearctic Region.

The members of the A. latifascia diagnostic species-group are all medium-sized species with a forewing length between 7 and 14 mm. The cephalic groove and setal wart pattern are rather stable, not varying among species. The forewing shape varies among the species, but many have broad triangular forewings. Most species are coloured, and with more or less pronounced forewing patterns ( Figs 138–159 ). Two genital characters seem discriminatory for this diagnostic species-group: (1) male genitalia with lateral flank on each side between preanal appendage and gonocoxite on the posterior margin of segment IX (in addition to the apicodorsal lobe). Its apical half is more glabrous and shiny compared to the rest of segment IX, apparently without microtrichia or acanthae ( Oláh & Johanson 2007); (2) short gonocoxites. Two additional genital characters appear stable in this diagnostic species-group: (1) segment X forming a large hood with ventrad-oriented apical margin being variously excised apicomesally and with apicolateral margin with various configurations; (2) preanal appendages simple, short and ovoid. Neboiss (1980) distinguished 3 diagnostic species-groups among the Australian Anisocentropus based on the size and shape of the phallotremal sclerites.

Figures

FIGURES 138–147. Anisocentropus species, right forewings, non-types. 138 — A. banghaasi Ulmer; 139 — A. bellus Banks; 140 — A. bicoloratus (Martynov); 141 — A. bipustulatus Botosaneanu & DeVos; 142 — A. dilucidus Botosaneanu & DeVos; 143 — A. eungellus Neboiss; 144 — A. fulgidus Navás; 145 — A. illustris McLachlan; 146 — A. io Kimmins; 147 — A. kirramus Malicky.

FIGURES 148–157. Anisocentropus species, right forewings, non-types. 148 — A. krampus Maicky; 149 — A. latifascia (Walker); 150 — A. machlachlani Ulmer; 151 — A. muricatus Neboiss; 152 — A. pictilis Neboiss; 153 — A. piepersi McLachlan; 154 — A. semiflavus Banks; 155 — A. solomonis Banks; 156 — A. torulus Neboiss; 157 — A. triangulatus Ulmer.

FIGURES 158–159. Anisocentropus species, right forewings, non-types. 158 — A. tristis Ulmer; 159 — A. valgus Neboiss.