. Bulletin. Natural history; Natural history. Figs. 937-939. italia. 939 INCISUS -Hesperophylax, female gen- Apex of tenth tergite appearing round- ed from either lateral or caudal view, or both, figs. 934, 935 4 Cerci with apico-ventral corner pro- duced into a long, narrow finger, fig. 933; silver streak ot front wings con- spicuous and bright magnus Banks Cerci with apico-ventral corner much less produced, fig. 932; silver, in- conspicuous consimilis Banks Ninth segment with lateral area short, anterior angle wide, fig. 936 incisus Banks Ninth segment with lateral area longer, anterior angl
. Bulletin. Natural history; Natural history. Figs. 937-939. italia. 939 INCISUS -Hesperophylax, female gen- Apex of tenth tergite appearing round- ed from either lateral or caudal view, or both, figs. 934, 935 4 Cerci with apico-ventral corner pro- duced into a long, narrow finger, fig. 933; silver streak ot front wings con- spicuous and bright magnus Banks Cerci with apico-ventral corner much less produced, fig. 932; silver, in- conspicuous consimilis Banks Ninth segment with lateral area short, anterior angle wide, fig. 936 incisus Banks Ninth segment with lateral area longer, anterior angle less obtuse, fig. 934 5 5. Caudal aspect of tenth tergite wide, the lateral projections long and angulate, the membranous caudal area short, fig. 934 occidentalis Banks Caudal aspect of tenth tergite nar- rower, the lateral projections shorter and trapezoidal, the membranous caudal area longer, fig. 935 designatus, p. 183 6. Tenth segment with lateral projec- tions scarcely developed, fig. 937. occidentalis Banks Tenth segment with lateral projec- tions forming definite wide flanges, figs. 938, 939 7 7. Tenth tergite with lateral projections occupying about a third of ventral aspect, fig. 938 designatus, p. 183 Tenth tergite with lateral projections occupying nearly two-thirds of ven- tral aspect, fig. 939 incisus Banks Limnephiliis nogus new species Most closely related to pacificus, this spe- cies is readily characterized by the long tenth tergite and cerci, and the curious pointed process of the claspers, fig. 940. Male.—Length 15 mm. Color tawny, with irregular darker brown markings on antennae, body and legs; wings tawny with a dark stigmal spot, a dark line on cord, and other irregular dark areas variable in na- ture. Macrochaetae of head and thorax. Fig. 940.—Limnephilus nogus, genitalia. Male: A, lateral aspect; B, aedeagus. Fe- male: C, ventral Please note that these images are extracted from scanned page images that may have been digitally enhanced for
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
