Wasps of the genus Trypoxylon subgenus Trypargilum in North America (Hymenoptera: Sphecidae). Berkeley etc.: Univ. of California Press, 1982 VI, 147 p. : ill.
Wasps of the genus Trypoxylon subgenus Trypargilum in North America (Hymenoptera: Sphecidae). Berkeley etc.: Univ. of California Press, 1982 VI, 147 p. : ill.
(1982) Wasps of the genus Trypoxylon subgenus Trypargilum in North America (Hymenoptera: Sphecidae), Berkeley etc.: Univ. of California Press VI, 147 p. : ill.
(1982). Wasps of the genus Trypoxylon subgenus Trypargilum in North America (Hymenoptera: Sphecidae). Berkeley etc.: Univ. of California Press, VI, 147 p. : ill.
Wasps of the genus Trypoxylon subgenus Trypargilum in North America (Hymenoptera: Sphecidae). Berkeley etc.: Univ. of California Press; 1982. p. VI, 147 p. : ill.
