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Pemphredon wasp

Pemphredon wasp

Mother wasps in the genus Pemphredon lay their eggs within plant stems and provision their larvae with aphid prey for food. Some are known to return to supply fresh food to early developing offspring, but a 2017 study by researchers in the Czech Republic discovered that mothers of the Pemphredon fabricii species do the same for late-stage larvae, in a new behavior they dubbed “late progressive provisioning.” (Photo credit: Whitney Cranshaw, Colorado State University, Bugwood.org)

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