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Author (up) Ghimire, M.N.; Phillips, T.W. openurl 
  Title Suitability of five species of stored-product insects as hosts for development and reproduction of the parasitoid Anisopteromalus calandrae (Hymenoptera : Pteromalidae) Type Journal Article
  Year 2007 Publication Journal of Economic Entomology Abbreviated Journal J ECON ENTOMOL  
  Volume 100 Issue 5 Pages 1732-1739  
  Keywords  
  Abstract We investigated the ability of two populations of Anis(mteromalus calandrae (Hymenoptera: Pteromalidae), to parasitize

and develop on late instars of five different stored-product insects that typically complete their development inside

seeds of grain or legume species or other dry commodity. The host species were the cigarette beetle, Lasioderma

serricorne (F.); cowpea weevil, Callosobruchus maculatus (F.); rice weevil, Sitophilus oryzae (L.); lesser grain borer,

Rhyzopertha dominica (F.); and Angoumois grain moth, Sitotroga cereatella (Olivier). Experiments were conducted in the

laboratory in a no-choice design by using petri dishes (15 by 100 mm) as experimental arenas with 20 host larvae. A.

calandrae females from populations originating in Georgia (GA) and Oklahoma (OK) were introduced singly into

experimental arenas and allowed to sting and oviposit for 24 h. Parasitism by the OK population was greater than that

for the GA population across all hosts. However, no or very low parasitism was found on Angoumois grain moth for either

population in this experiment. The highest number of parasitoid progeny was recorded on cowpea Weevil (15.9) followed by

rice weevil (11.5) and cigarette beetle (10.8) for the OK population. A similar trend was observed in the GA population.

The highest proportion of female progeny was produced on cowpea weevil (73.0%) by the OK population. Conversely, a

higher proportion of female progeny was produced on rice weevil (64.6%) by the GA population than produced by the OK

population. Parasitoid adults were significantly larger and heavier when they developed on cowpea weevil irrespective of

parasitoid population. The possible application of these results for biological control Of Stored-product insects is

discussed.		  
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  Notes Approved no  
  Call Number Trinity @ scott.smedley @ Serial 56  
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