Search Results       Your search for [subject]Trypoxylon -- Classification returned 1 record.           Wasps of the genus Trypoxylon subgenus Trypargilum in North America : Hymenoptera, Sphecidae _ Trypargilum in North America : Hymenoptera, Sphecidae. by Coville, Rollin E.; Berkeley: University of California, 1981. Subject: Insects -- Classification; Insects -- North America -- Classification; Respiratory tract diseases -- Nursing; Trypoxylon -- Classification.          Add to Book Cart Relevance: 21.16%