Psyche: A Journal of Entomology

Psyche: A Journal of Entomology / 1972 / Article

Open Access

Volume 79 |Article ID 19572 | 18 pages |

A Review of Nesting Behavior in the Genus Entomognathus, With Notes on E. Memorialis Banks (Hymenoptera: Sphecidae)

Received05 Jul 1972


The genus Entomognathus contains at least 4o species, half in the Ethiopian and in the Palaearctic, Nearctic, Oriental, and Neotropical regions (Leclercq, 1954, 1955, 1961, 1963; Nouvel and Ribaut, 1956; Krombein, 1963). Relatively little is known about the nesting behaviors, host preferences, or life histories of members of this genus. Only the Palaearctic E. (Entomognathus) brevis van der Linden has been studied in any detail, and almost nothing is known about the four U. S. species belonging to the subgenus Toncahua One of the purposes of the present paper is, therefore, to amalgamate information on the host preferences, nesting behaviors, life histories, and immature stages of the species of Entomognathus, based upon a review of the world literature. The major portion of this paper details the components of the nesting behavior of E. (Toncahua) memorialis Banks, describes the mature larva and cocoon, and compares this species and related crabronine and larrine wasps in nesting ethology and larval and cocoon morphology. The adult wasps and prey beetles have been placed in the S. U. N. Y. College of Forestry Insect Museum. and the mature larva has been deposited in the Museum of Comparative Zoology, Harvard University.

This article is in the public domain. This is an open access article, free of all copyright, and may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose. The work is made available under the Creative Commons CC0 public domain dedication.

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