Directions for collecting and preserving insects . FIG. 135.—Nothrus 1 i:;ti.~ -Tf,,inl,iili, newly hatched lar\a -natural si/.- indicated by the dot within the circle: c, ; d c, varatcd i-.^u minute spherical orange-red rggs in the grnnnd (Fig. ^.. l-romthe>e eggs, as shou ii rnhirged a) C, il, and t- (the two latter the\ aeaied egg sliells) enier-c the six-legged larva, shown at l>. These aremere specks and crawl actively about, fastening themselves to thelocusts mostly at the base of the wings or along the upper subsist on the juices of
Directions for collecting and preserving insects . FIG. 135.—Nothrus 1 i:;ti.~ -Tf,,inl,iili, newly hatched lar\a -natural si/.- indicated by the dot within the circle: c, ; d c, varatcd i-.^u minute spherical orange-red rggs in the grnnnd (Fig. ^.. l-romthe>e eggs, as shou ii rnhirged a) C, il, and t- (the two latter the\ aeaied egg sliells) enier-c the six-legged larva, shown at l>. These aremere specks and crawl actively about, fastening themselves to thelocusts mostly at the base of the wings or along the upper subsist on the juices of their host. They (irmly attach themselvesby the mouth and increase rapidly in si/.e, the legs not growing andbecoming mere rudiments. In this form they are shown at Fig. i::7< fully developed they let go their hold, drop to the ground, and [129] COLLECTING AND PRESERVING INSECTS RILEY. crawl under the shelter afforded by holes in the earth or under , iu the course of two or three weeks, they transf
Size: 2149px × 1163px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorrileycha, bookcentury1800, bookdecade1890, bookyear1892