. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. andemerges a full-grown moth. Comstock describes the two species, as follows: The Spring Canker-Worm {Paleacrita vernata).—The eggs are ovoidin shape, and are secreted in irregular masses, usually under loose scales of bark or between the leafletsof the expanding buds. The larvaehatch about the time the trees ex-pand, and become full grown infrom three to four weeks. Theyvary greatly in color, and areSPRING cakker-wobm (Pazeacrifa rer-nafa). marked ou the back With eight(a) M
. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. andemerges a full-grown moth. Comstock describes the two species, as follows: The Spring Canker-Worm {Paleacrita vernata).—The eggs are ovoidin shape, and are secreted in irregular masses, usually under loose scales of bark or between the leafletsof the expanding buds. The larvaehatch about the time the trees ex-pand, and become full grown infrom three to four weeks. Theyvary greatly in color, and areSPRING cakker-wobm (Pazeacrifa rer-nafa). marked ou the back With eight(a) Male moth. narrow^, pale, longitudinal lines, ^^^^IZtlZTot^ntenn^offern^^emot^. which are barely discernible; the (d) Abdominal segment of female moth; en- ^^^ lateral linCS of each side are (e) ovrpoitory: enlarged. much farther apart than theothers- and there are no prolegs on the fifth abdominal segment. Thepupa state is passed below the surface of the ground in a simple earthencell which is lined with very few silken threads. The adult mothsusually emerge early in the spring before the leaves expand; but they. THE CANKER-WORM. 149 sometimes appear late in the fall, or on the warm days during the winterwhen the ground is thawed. In both sexes the adult of this species isdistinguished by the presence of two transverse rows of stiff, reddishspines, pointing backward, on each of the first seven abdominalsegments.
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Keywords: ., bookauthorcaliforn, bookcentury1800, bookdecade1850, bookyear1853
