. Bulletin. Natural history; Natural history. August, 1944 Ross: Caddis Flies of Illinois 177 3. Gills arising singly, fig. 613 4 Gills arising in groups ot two or more 5 4. Seventh abdominal tergite with an antero-mesal gill; postero-lateral cor- ner of mesonotum with a linear black mark Astenophylax, p. 183 Seventh abdominal tergite with no antero-mesal gill; postero-lateral cor- ner of mesonotum with either a spot or no black mark, as in fig. 20 Pycnopsyche, p. 193 5. Pronotum with dense, short black spines, especially anterior margin, fig. 608; legs banded with red and black, fig. 612. , .
. Bulletin. Natural history; Natural history. August, 1944 Ross: Caddis Flies of Illinois 177 3. Gills arising singly, fig. 613 4 Gills arising in groups ot two or more 5 4. Seventh abdominal tergite with an antero-mesal gill; postero-lateral cor- ner of mesonotum with a linear black mark Astenophylax, p. 183 Seventh abdominal tergite with no antero-mesal gill; postero-lateral cor- ner of mesonotum with either a spot or no black mark, as in fig. 20 Pycnopsyche, p. 193 5. Pronotum with dense, short black spines, especially anterior margin, fig. 608; legs banded with red and black, fig. 612. , .Glyphopsyche, p. 200 Pronotum without dense black spines, clothed primarily with long setae, fig. 607; legs not so banded 6 Anal legs with a group of about 10 setae on the bulbous ventral portion Frenesia, p. 199 Anal legs with no setae on bulbous ventral portion 7 Dorsal gills of first few abdominal seg- ments with 6-12 branches forming a fanshaped spread, figs. 615, 616. ... 8. Fig. 606.—Neophy/ax autumnns larva, tho- Fig. 612.—Glyphopsyche missouri larva, rax. legs. A, front leg; B, hind leg. Fig. 607.—Frenesia missa larva, thorax. Fig. 613.—Pycnopsyche subjasciata larva, Fig. 608.—Glyphopsyche w/jio«r/larva, tho- abdominal gill. rax. Fig. 614.—Limnephilus submonilijer larva, Fig. 609.—Neophylax autumnus larva, head. abdominal gill. Fig. 610.—Frenesia missa larva, head. Fig. 615.—Hesperophylax designatus larva, Fig. 611.—Dicosmoecus sp. larva, legs. /I, abdominal gill, front leg; B, hind leg. Fig. 616.— Caborius sp. larva, abdominal gill. Fig. 617.—Glyphotaelius sp. larva, head and Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
