. Annual report. New York State Museum; Science. 62 NEW YORK STATE MUSEUM yellowish markings as seen in figure 5. The larva or grub producing the pigeon tremex may be recognized by its cylindric form, the possession of 6 legs on the three anterior segments and by the prominent horn at its caudal extremity. Life history and habits. Very little has been recorded concerning the life history and habits of this conspicuous insect. The adults make their way out of the trunk through a hole about the size of a common lead. Fig. 5 Pigeon tremex: a=larva showing the Tlialessa larva fastened to its side
. Annual report. New York State Museum; Science. 62 NEW YORK STATE MUSEUM yellowish markings as seen in figure 5. The larva or grub producing the pigeon tremex may be recognized by its cylindric form, the possession of 6 legs on the three anterior segments and by the prominent horn at its caudal extremity. Life history and habits. Very little has been recorded concerning the life history and habits of this conspicuous insect. The adults make their way out of the trunk through a hole about the size of a common lead. Fig. 5 Pigeon tremex: a=larva showing the Tlialessa larva fastened to its side ; ^=head of larva ; c=pupa of female; ^=male pupa; ^-^adult female — all slightly enlarged. (After Riley, Ins. Life, i, U. S. Dep't Agric.) pencil, and during the summer months they are frequently found on diseased maples and elms, sometimes with the stout ovipositor bent at right angles to the body as the female inserts it with a wriggling motion. She is often unable to withdraw her ovipositor and perishes on the tree. Occasionally, the remains of a considerable number may be found about a single trunk. A number of eggs are apparently deposited near together as the writer has uncovered groups of young larvae quite near each other. It is also well known that this species usually occurs in some numbers, if at all, in an infested tree. The eggs have been described by Harris as oblong oval,. 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 : University of the State of New York
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