Labeling of Trichogramma pretiosum by rearing on eggs from /sup 32/P-fed adults of Heliothis zea
Heliothis zea (Boddie) female moths were labeled with /sup 32/P as orthophosphate using a feeding process and their eggs used as hosts in the rearing of Trichogramma pretiosum Riley. The percentage radioactive eggs oviposited by H. zea moths corresponded almost identically with the percentage radioactive parasites emerging from the eggs. The average counts per minute for the eggs and parasites were closely related with the high 1st day counts, declining progressively on following days of the study. Thus, Trichogramma can be reared on /sup 32/P-labeled H. zea eggs without affecting the parasite's ability to further parasitize H. zea eggs under laboratory conditions. There is no difference in the number of parasites emerging from control eggs and /sup 32/P-labeled eggs when used in the rearing of Trichogramma pretiosum. Greenhouse data suggest that this process might be used to monitor parasite activities in the field.
- Research Organization:
- Southern Grain Insects Research Lab., Tifton, GA
- OSTI ID:
- 7254587
- Journal Information:
- Ann. Entomol. Soc. Am.; (United States), Vol. 69:5
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
MOTHS
LABELLING
AGRICULTURE
EGGS
PARASITES
PEST CONTROL
PHOSPHORUS 32
ANIMALS
ARTHROPODS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
DAYS LIVING RADIOISOTOPES
INSECTS
INVERTEBRATES
ISOTOPES
LIGHT NUCLEI
NUCLEI
ODD-ODD NUCLEI
PHOSPHORUS ISOTOPES
RADIOISOTOPES
560153* - Radiation Effects on Animals- Invertebrates- (-1987)