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Entomophaga

, Volume 30, Issue 1, pp 65–68 | Cite as

Laelius utilis [Hym.: Bethylidae], a parasitoid ofAnthrenus fuscus [Col.: Dermestidae] in Iowa

  • J. W. Mertins
Article

Abstract

Larvae ofAnthrenus fuscus Olivier, an Old World dermestid beetle, are established in Ames, Iowa, and are parasitized locally by the native bethylid wasp,Laelius utilis Cockerell; this is a new state record. Life history and new host information forL. utilis is presented, as well as morphological and biological means for differentiating it fromL. pedatus Say of similar appearance.

Key-Words

Laelius utilis morphogical and biological characteristics 

Résumé

Les larves d'Anthrenus fuscus Olivier, dermeste de la région paléarctique se sont implantées à Ames, en Iowa et elles y sont parasitées localement par un bethylide indigène,Laelius utilis Cockerell; c'est la première mention qui en est faite dans cet Etat. Des informations sur le mode de vie et les nouveaux hôtes deL. utilis sont présentées ainsi que des moyens morphologiques et biologiques pour le différencier deL. pedatus Say, similaire d'apparence.

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References

  1. Cockerell, T. D. A. — 1920. A parasite of dermestid beetles in entomological collections. —Can. Entomol., 52, 34.Google Scholar
  2. Evans, H. E. — 1978. The Bethylidae of America north of Mexico. —Men. Am. Entomol. Inst., 27.Google Scholar
  3. Ma, M., W. E. Burkholder, &S. D. Carlson. — 1978. Supra-anal organ; a defensive mechanism of the furniture carpet beetle,Anthrenus flavipes [Coleoptera: Dermestidae]. —Ann. Entomol. Soc. Am., 71, 718–723.Google Scholar
  4. Mertins, J. W. — 1980. Life history and behavior ofLaelius pedatus, a gregarious bethylid ectoparasitoid ofAnthrenus verbasci. —Ann. Entomol. Soc. Am., 73, 686–693.Google Scholar
  5. Mertins, J. W. — 1982. Occurrence ofAnthrenus fuscus Olivier [Coleoptera: Dermestidae] in Iowa.Entomol. News, 93, 139–142.Google Scholar

Copyright information

© Lavoisier Abonnements 1985

Authors and Affiliations

  • J. W. Mertins
    • 1
  1. 1.Department of EntomologyIowa State UniversityAmesUSA

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