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1 August 2004 Effects of Cold Storage on Development and Survival of Three Species of Parasitoids (Hymenoptera: Pteromalidae) of House Fly, Musca domestica L.
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Abstract

The effect of cold storage at 0.5, 5, 10 and 13°C on the developmental rates and survival of the pteromalid parasitoids Muscidifurax raptor Girault & Sanders, Muscidifurax zaraptor Kogan & Legner, and Trichomalopsis sarcophagae Gahan was examined in the laboratory. Immature M. raptor underwent development at 13°C, but not at 10, 5, or 0.5°C. Immature M. zaraptor and T. sarcophagae did not develop at temperatures ranging from 0.5 to 13°C. Parasitoid survival varied among storage temperatures and was lowest at 0.5°C for M. raptor and M. zaraptor and highest at 10°C. Survival of T. sarcophagae was highest at 5°C and was higher than either species of Muscidifurax at temperatures ≤5°C. M. raptor had the highest survival at 10 and 13°C. A simple model was used to examine the effects of cold storage and stockpiling parasitoids for up to three generations on parasitoid availability. Storage of M. raptor at 10°C for three generations could result in a 3.5-fold increase in availability. Storage of M. zaraptor at 10°C could result in a 2.6-fold increase in availability, and storage of T. sarcophagae at 5°C could result in a 3.2-fold increase in availability. Results suggest that cold storage could be a useful method for increasing the rearing efficiency of these parasitoids.

T. J. Lysyk "Effects of Cold Storage on Development and Survival of Three Species of Parasitoids (Hymenoptera: Pteromalidae) of House Fly, Musca domestica L.," Environmental Entomology 33(4), 823-831, (1 August 2004). https://doi.org/10.1603/0046-225X-33.4.823
Received: 9 January 2004; Accepted: 1 April 2004; Published: 1 August 2004
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