. Bulletin. Natural history; Natural history. September, 1941 Knight: Plant Bugs, or Miridae, of Illinois 209 Phytocoris luteolus Knight Phytocoris luteolus Knight (1923</, p. 649). Known only from Alabama and Connec- ticut; not taken in Illinois. MYRMECORINI KEY TO GENERA Length of first antennal segment greater than width of head; scutellum not coni- cally produced, fig. 180; dorsum with fine, short pubescence Paraxenetus, p. 209 Length of first antennal segment much less than width of head, only slightly greater than width of vertex; scutellum conically produced, fig. 181; dorsum, especi
. Bulletin. Natural history; Natural history. September, 1941 Knight: Plant Bugs, or Miridae, of Illinois 209 Phytocoris luteolus Knight Phytocoris luteolus Knight (1923</, p. 649). Known only from Alabama and Connec- ticut; not taken in Illinois. MYRMECORINI KEY TO GENERA Length of first antennal segment greater than width of head; scutellum not coni- cally produced, fig. 180; dorsum with fine, short pubescence Paraxenetus, p. 209 Length of first antennal segment much less than width of head, only slightly greater than width of vertex; scutellum conically produced, fig. 181; dorsum, especially pronotum and scutellum, with long, erect hairs Barberiella, p. 209 Paraxenetus Reuter Paraxenetus guttulatus (Uhler) Eucerocoris guttulatus Uhler (1887^', p. 150). Male.—Fig. 180. Length , width at base of cuneus, Head width , ver- tex ; sulcus on median line of vertex. Rostrum, length , extending slightly be- yond posterior coxae or to second abdomi- nal sternite. Antennae, first segment, length ; second, ; third, ; fourth, ; all segments slender, of nearly equal thick- ness, three basal ones yellowish to dusky brown, last segment reddish brown. Prono- tum, length , width at base Em- boliar margins strongly sulcate, or medially coarctate. General color fusco-grayish, tinged with fulvous, sometimes fulvous areas broad; cuneus, veins of membrane, and calli, fulvous to reddish; femora frequently fusco-reddish. Body clothed with recum- bent, fine yellowish pubescence, femora rather sparsely set with long pilose hairs, these hairs longest on posterior pair. Female.—Length , width Head width , vertex Antennae, first seg- ment, length ; second, ; third, ; fourth, Pronotum, length , width at base Very similar to male in form and coloration. Host Plant.—Grape vines (Vitis sp.) ; one specimen collected in Illinois on walnut (Julians nigra). Known Distribution.—District of Co- lum
Size: 1203px × 2078px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
