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Image Subject Name Scientific Name Description
0717007 cooley spruce gall adelgid Adelges cooleyi This is as the gall would appear in early summer or late fall. It would appear green earlier in the summer.
5427668 hemlock woolly adelgid Adelges tsugae
0717006 cooley spruce gall adelgid Adelges cooleyi Spruce trees growing in close association with Douglas-fir often have the Cooley Spruce Gall Adelgid. In this slide, the Douglas-fir is on the left; Norway spruce is on the right.
5382303 periodical cicada Magicicada septendecim egg laying scars
5382304 periodical cicada Magicicada septendecim 17-year periodical cicada damage. Flagging.
5382305 periodical cicada Magicicada septendecim Cicadas prepared for eating
5382306 periodical cicada Magicicada septendecim
5382307 periodical cicada Magicicada septendecim adults emerging and crawling up iris leaves
5382308 periodical cicada Magicicada septendecim adult cicada emerging from cast skin
0718044 cooley spruce gall adelgid Adelges cooleyi

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