red-headed pine sawfly or the pine false webworm acantholyda erythrocephala sawfly. pines pest.

acantholyda america animal animalia arthropod become bug caterpillar close closeup damage danger detail entomology erythrocephala europe european evergreen extreme false family fauna fly focus has hungry hymenoptera imago insect insecta int introduced invasive larva larvae leaf lecontei macro metamorphosis native nature needle needles neodiprion north pamphiliidae pest pine pines redheaded sawfly selective small spring summer symphyta wasp webworm where wild wildlife worm