Abstract
An abnormal adult male of Lamachus sp., with a single eye, was reared in the summer of 1939 at Belleville, Ont., from a second-generation cocoon of the spruce sawfly, Diprion polytomum (Htg.), collected at Milicin, Czechoslovakia, in September, 1938. The eye (Figs. 1 and 2) occupies the normal position on either side of the head but is continuous over the vertex and extends anteriorly to the antenna1 sutures. The bases of the antennae are closer together than, and arise from the head in a position slightly ventral to, normal. There are no ocelli present. The head is about three-quarters the length and five-eighths the width of that of an average normal specimen, and gives the appearance of being globular in shape. The other appendages of the head appear normai in shape and position.
Publisher
Cambridge University Press (CUP)
Subject
Insect Science,Molecular Biology,Physiology,Ecology, Evolution, Behavior and Systematics,Structural Biology
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