
''Pemphigus spyrothecae'', or the poplar spiral gall aphid, is a social insect which exhibits apparent altruistic behaviors. The aphids form galls and act as colony defenders, at times sacrificing their own lives to do so.
Similar species: True Bugs
By morpheme
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Uploaded Sep 15, 2021. Captured Sep 14, 2021 09:53 in 1900 E Blaine St, Seattle, WA 98112, USA.
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