. An annotated list of the important North American forest insects. Forest insects. 6 CONNECTICUT EXPERIMENT STATION BULLETIN 155. about a week the eggs hatch and the young larvae or grubs feed upon the under surface of the leaves, eating off the green tissue between the veins and leaving the veins and the upper epidermis, as is shown in Fig. i. In about three weeks the larvae or grubs are fully grown, and crawl down the trunks of the trees or drop from the ends of the branches to the ground and transform to the naked pupa stage. The great proportion of the pupae are found close around the bas
. An annotated list of the important North American forest insects. Forest insects. 6 CONNECTICUT EXPERIMENT STATION BULLETIN 155. about a week the eggs hatch and the young larvae or grubs feed upon the under surface of the leaves, eating off the green tissue between the veins and leaving the veins and the upper epidermis, as is shown in Fig. i. In about three weeks the larvae or grubs are fully grown, and crawl down the trunks of the trees or drop from the ends of the branches to the ground and transform to the naked pupa stage. The great proportion of the pupae are found close around the base of the tree or lodged in the crevices of the rough bark of the trunk and larger branches. Except for being. • • i J Fig. 3.—Larvae and pupae, twice natural size. in crevices, thev are unprotected. The writer has seen trees in New Haven where it would be possible to gather several quarts of these pupae at the base of a single tree. The pupa stage lasts about ten days, then the adult beetles appear, and lay eggs for the second generation, which seldom does much harm in Connecticut. Those emerging late prob- ably do not lay eggs for a second brood, but may be seen crawl- ing and flying about for a time, feeding more or less, but early going into winter quarters, usually in church belfries, attics of houses, barns, sheds or other out-buildings. They also pass the winter in cracks of fences, telephone poles, or under the edges of the loose bark of the trees. In some of the cities worst infested the adults sometimes gather in church bel- fries in such numbers that they can be swept up by the half. 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 Craighead, Frank C. (Frank Cooper), 1890-; Perry, George S; Snyder, Thomas Elliott, b. 1885; Hopkins, A. D. (Andrew Delmar), 1857-1948; MacAloney, Harvey John, 1896
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Keywords: ., bookauthorhopkinsadandrewdelmar, bookcentury1900, bookdecade1900
