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Notes on the life history of Prospaltella perniciosi Tower: (b) The External anatomy of the squash bug, Anasa tristis DeG. (c) A New hymenopterous parasite on Aspidiotus perniciosus Comst. (d) The Mechanism of the mouth parts of the squash bug, Anasa tristis DeG /
Year Degree Awarded
Prospaltella parniciosi, Squash-bugs