Evans, H. E. (1970). West Indian wasps of the subfamilies Epyrinaeand Bethylinae. (Hymenoptera: Bethylinae). Zenodo.
Chicago-viite (17. p.)Evans, Howard E. West Indian Wasps of the Subfamilies Epyrinaeand Bethylinae. (Hymenoptera: Bethylinae). Zenodo, 1970.
MLA-viite (9. p.)Evans, Howard E. West Indian Wasps of the Subfamilies Epyrinaeand Bethylinae. (Hymenoptera: Bethylinae). Zenodo, 1970.
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