File:Annual report (1954) (18424853912).jpg

Title: Annual report
Identifier: annualreport19541958ento (find matches)
Year: 1872 (1870s)
Authors: Entomological Society of Ontario; Ontario. Dept. of Agriculture
Subjects: Entomological Society of Ontario; Insect pests; Insects
Publisher: Toronto, The Society
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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26 REPORT OF THE ENTOMOLOGICAL (Burm.), Celithemis eponina (Drury), Trapezo stigma Carolina (L.), T. lacerata Hagen and Pantala hymenea (Say). The distribution of these 13 insects is shown plotted in Fig. 1 and 2, using distributional data in Judd (7) and Walker (18, 19). Walker (18) points out that owing to the flatness of the Carolinian Zone in Ontario pond species are abundant and the paucity of stream species has been intensified by a drying up of watercourses and the irregular flow of those which remain, due to overclearing of the land.
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LEPIDOPTERA Among the Lepidoptera there are several butterflies whose food plants are restricted in Ontario to the Carolinian Zone or adjacent parts of Ontario. The zebra swallowtail, Papilio marcellus Cramer, has as its host plant the pawpaw, Asimina triloba (L.), Dunal, which Fox and Soper (3) show distributed only in Welland, Lincoln, Oxford, Elgin, Essex, Kent, and Lambton Counties. The giant swallowtail, P. cresphontes Cramer, is described by Klotz (9) as an insect of the Austral Zone. Its food plants are the hop tree, Ptelea trijoliata L., and the prickly ash, Xanthoxylum americanum Mill. The former is known only from Essex, Kent, and Welland Counties (3) while the latter extends northward and eastward as far as Ren- frew County (3). The caterpillar of the spicebush swallowtail, P. troilus L., feeds on prickly prickly ash, sassafras, Sassafras albidum (Nutt.) Nees, and spice bush, Lindera Benzoin (L.) Blume. Sassafras is restricted to the Carolinian Zone (3, 5) while the spice bush extends north- ward beyond the Carolinian into Grey County and eastward along the north shore of Lake Ontario (3). Another swallowtail that is of southern distribution and is found in southern Ontario (9) is the pipe vine swallowtail, P. philenor L., whose larva feeds on Dutchman's pipe, Aristolochia, and occurs about cities where this vine is grown.

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