In Brittons Guide to the Insects of Connecticut, Davis states: … Andy Hamilton, 2 September, 2005 - 7:35am Song: a loud, continuous buzz rising to a crescendo and then dying away after about a minute, strikingly similar to the noise of a buzz-saw. Song: short, loud bursts with lower note at end of each: "zeeger, zeeger, zeeger" (according to Davis 1926, in a faunal work on New Jersey cicadas).Īdult canicularis: head 11-12.5 mm wide length (wings folded) 4.0-4.8 cm male opercula rather short, projecting 3.5-4.5 mm beyond hind leg base. canicularis) length (wings folded) 4.2-5.1 cm male opercula projecting 5-6 mm beyond hind leg base. Note that the overall length is less different than the width across the head, and that the body length (minus wings) varies more than the length across the folded wings.Īdult linnei: head 12-13.5 mm wide (eyes more prominent than in T. The two species that occur in Canada are differentiated in the following way. There may also be regional variations or possibly even unrecognized "sibling" species. These two species are indeed very similar, but are often confused because individuals vary so much in size and shape of wings.
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