. Guide to the insects of Connecticut . &,. -A^e/^/o/l^i/nm /^/C/7e/77/h Fig. 2. A, Side view of head, B, rear view of thorax and propodeum,C, front and dorsal views of head, Therion morio; D, side view ofthorax, Ichneumonoidea. HYMENOPTERA OF CONNECTICUT. 2$ TENTHREDINOIDEA*. By Alexander Dyer MacGiluvray. This superfamily is differentiated from the other superfam-ilies of Hymenoptera by having the cephaHc end of the abdomenas broad where it is joined to the thorax as the caudal end of thethorax, never constricted into a narrow pedicel; by having thefirst abdominal segment joined to the abdom
. Guide to the insects of Connecticut . &,. -A^e/^/o/l^i/nm /^/C/7e/77/h Fig. 2. A, Side view of head, B, rear view of thorax and propodeum,C, front and dorsal views of head, Therion morio; D, side view ofthorax, Ichneumonoidea. HYMENOPTERA OF CONNECTICUT. 2$ TENTHREDINOIDEA*. By Alexander Dyer MacGiluvray. This superfamily is differentiated from the other superfam-ilies of Hymenoptera by having the cephaHc end of the abdomenas broad where it is joined to the thorax as the caudal end of thethorax, never constricted into a narrow pedicel; by having thefirst abdominal segment joined to the abdomen, instead of beingclosely anchylosed to the thorax and bearing a pair of spiracles,and usually with its tergum longitudinally divided at middle; retention in practically all the species of the base of theradial sector; and by the presence in many of the species ofmore than one anal cell. Their larvae either feed externally on the leaves of plants,within their stems, or within the trunks of trees. They can bedistinguished from the
Size: 2303px × 1085px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublisherhartf, bookyear1913
