. Bulletin. Natural history; Natural history. Fig. 162.— Trentonius distincttis, front wing. Fig. 163.—Dolophilus shawnee, front wing. 3. Front wings with vein Rj-f-a branching beyond radial crossveins, near mar- gin of wing, fig. 162 Trentonius, p. 47 Front wings with vein R2-1-3 either branching at or near radial cross- veins, or not branched, fig. Dolophilus, p. 45 Dolophilus McLachlan Dolophilus McLachlan (1868, p. 303). Geno- type, monobasic: Dolophilus copiosus McLach- lan. Paragapetus Banks (1914, p. 202). Geno- type, monobasic: Paragapetus moestus Banks. Dolophiliella Banks (19


. Bulletin. Natural history; Natural history. Fig. 162.— Trentonius distincttis, front wing. Fig. 163.—Dolophilus shawnee, front wing. 3. Front wings with vein Rj-f-a branching beyond radial crossveins, near mar- gin of wing, fig. 162 Trentonius, p. 47 Front wings with vein R2-1-3 either branching at or near radial cross- veins, or not branched, fig. Dolophilus, p. 45 Dolophilus McLachlan Dolophilus McLachlan (1868, p. 303). Geno- type, monobasic: Dolophilus copiosus McLach- lan. Paragapetus Banks (1914, p. 202). Geno- type, monobasic: Paragapetus moestus Banks. Dolophiliella Banks (1930^, p. 230). Geno- type, by original designation: Dolophiliella gabriella Banks. Of the nine described North American species, only two have been taken in Illinois. The remainder have been collected only as far east as Oklahoma with the exception of one species, major, which occurs in the Great Smoky Mountains of North Caro- lina and Tennessee. KEY TO SPECIES Larvae 1. Apex of fore coxae with a stout, curved spur, fig. 164 shawnee, p. 46. 164 65 Fig. 164.—Dolophilus shawnee larva, front leg. Fig. 165.—Dolophilus moestus larva, front leg. Apex of fore coxae with a slender spur, fig. 165 moestus, p. 47 Adults 1. Apex of abdomen with a pair of 2- segmented claspers (males) 2 Apex of abdomen simple and tubular (females) 3 2. Claspers with basal segment short and bulbous, apical segment much longer and spatulate; apico-mesal projec- tion of seventh sternite short, fig. 166 shawnee, p. 46 Apical segment of claspers subequal in. 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