. Annual report. New York State Museum; Science. INSECTS AFFECTING PARK AND WOODLAND TREES l8l pupa April 22 and by the 2Sth the anal I'llamcnts had begun to protrude and May i the adult emerged. May 18 the females had increased greatly in size, indicating that impregnation had taken place, and on the 22d they began to move from the young l)ranches out on the twigs and on the 23d one had reached the underside of the leaf and had commenced to form its ovisac. Within 24 hours the extruded white formed a nearly complete circle about the insect, and 48 hours later it had reached a length of ^
. Annual report. New York State Museum; Science. INSECTS AFFECTING PARK AND WOODLAND TREES l8l pupa April 22 and by the 2Sth the anal I'llamcnts had begun to protrude and May i the adult emerged. May 18 the females had increased greatly in size, indicating that impregnation had taken place, and on the 22d they began to move from the young l)ranches out on the twigs and on the 23d one had reached the underside of the leaf and had commenced to form its ovisac. Within 24 hours the extruded white formed a nearly complete circle about the insect, and 48 hours later it had reached a length of ^j- inch, and was distinctly divided from the first secretion by a deeply inipressed line. The first wax extruded contained no eggs, but the real ovisac, com- prising the last ''0 inch Avas full of eggs which hatched June 13, and thus completed the life Fig. 26 P u 1 V i n a r i :i .1 c of egg sac ; i!=srime, wi Howard. U. S. Dep't A cola: <t-full siown female, fr. gS sac completed, from side; c Div. Ent. Bui. 22, n. s. 1900) nlarged. (After Natural enemies. The only enemy observed by Dr Howard at Wash- ington was a small ladj-bug. Hype rasp is signata Oliv., which was received in the larval condition from Knoxville Tenn. The larva of this little beetle is very interesting on account of its resembling the larva of a mealy bug [fig. 27]. It, or an allied species, was met with by the writer in 1901. Prof. R. H. Pettit, who collected the insect at Ithaca in 1893, reared six parasites which were determined by Dr Howard as follows : A p h y c u s hederaceus W^estw., A p h )? c u s f 1 a v u s H ow., C o c c o p h a g u s. 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 New York State Museum; University of the State of New York; Metcalf Collection (North Carolina State University). NCRS. Albany : Univers
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectscience, bookyear1902
