. Bulletin. Natural history; Natural history. September, 1941 Knight: Plant Bugs, or Miridae. of Illinois 125 greater than width of vertex, fig. 142; pronotum extending back to basal angles ot hemelvtra, and hemelytra usually depressed near base and tip of scutellum, arched over middle of abdomen Mimoceps, p. 125 3. Head strongly exserted with eyes placed near middle, thus far removed from anterior ot pronotum, fig. 143. Collaria, p. 126 Head not or only slightly exserted; eyes in contact with pronotum or nearly so, fig. 144 4 4. Pronotum impunctate or nearly so. . 5 Pronotum coarselv and deep
. Bulletin. Natural history; Natural history. September, 1941 Knight: Plant Bugs, or Miridae. of Illinois 125 greater than width of vertex, fig. 142; pronotum extending back to basal angles ot hemelvtra, and hemelytra usually depressed near base and tip of scutellum, arched over middle of abdomen Mimoceps, p. 125 3. Head strongly exserted with eyes placed near middle, thus far removed from anterior ot pronotum, fig. 143. Collaria, p. 126 Head not or only slightly exserted; eyes in contact with pronotum or nearly so, fig. 144 4 4. Pronotum impunctate or nearly so. . 5 Pronotum coarselv and deeplv punc- tured 8 5. Antennal segments thickly covered with long, erect, black hairs, fig. 144; body covered with fine, long, erect pubescence; eyes slightly removed from anterior angles of Miris, p. 127 Antennal segments clothed with very short pubescence, fig. 145; body nearly glabrous, at most with very short pubescence 6 6. Head short and greatly flattened, front scarcely protruding beyond bases ot antennae, fig. 145; head with a broad and shallow median basin; first an- tennal segment slender and curved, thickest near base, tapering to be- come slender at middle, then becom- ing slightly enlarged at apex Teratocoris, p. 12X Head long and pointed, front project- ing sharply beyond bases ot anten- nae, compare fig. 144; first antennal segment not formed as above 7 7. Rostrum not extending behind middle coxae Trigonotylus, p. 129 Rostrum extending to base of abdomen Megaloceroea, p. 125 8. First antennal segment with verv short pubescence, practically glabrous; pronotum and scutellum sparsely covered with deep punctures Mesotniris, p. 131 First antennal segment thickly covered with long pubescence; punctures of pronotum and scutellum deep and closely placed. . .Stenodema, p. 130 Megaloceroea Fieber No Illinois species; Megaloceroea recti- p. 149- cortiis (Geoffrey) is apparently an imported ousl?. European species which has been recognized in British Columbia, Idaho
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