Dogday Harvestfly

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Photo © by Michael Morton

Dogday Harvestfly
Tibicen canicularis

Description: 1 1/8-1 1/4" (27-33 mm), wingspan to 3 1/4" (82 mm). Black with green markings. Wings clear green along rear 1/2 of fore wing margin.

Food: Adult is not known to eat. Nymph feeds on root juices, especially pine.

Sound: A powerful call that sounds like a circular saw cutting through a board.

Life Cycle: Nymphs take 3 years before maturing to adult. A new generation hatches each summer in the same area.

Habitat: Coniferous and mixed woods.

Range: Northeast. United States and adjacent Canada.

Discussion: Since this cicada disappears from mixed forests soon after all the pines are eradicated, it probably feeds on pine roots. It is seen during the hot, "dog days" of summer, hence its common name.


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