Chemosterilant Studies on Bracon (Hymenoptera: Braconidae) Sperm. I. Sperm Inactivation and Dominant Lethal Mutations

Lachance, Leo E.; Leverich, Ann P.

doi:10.1093/aesa/61.1.164

Cited by 12 publications

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“…Whiting & Von Borstel (1954) reported that after nitrogen mustard treatment, sperm inactivation occurred at far higher doses than those required to induce dominant lethals in all the Bracon sperm, while Grosch & Valcovic (1964) observed that the exposure of Bracon males to topical applications of apholate (0-01-0-1%) produced only a minor amount of sperm inactiva-tion at doses giving 40-80% dominant lethals in the sperm. LaChance (1966) and LaChance & Leverich (19686), however, found that tarsal contact treatments of Bracon males with tretamine produced virtually no sperm inactivation, whereas treatment with tepa produced significant amounts of sperm inactivation, even at sub-sterilising doses. Tepa also induced sperm inactivation in the citrus red mite Panonychus citri (McG.)…”

Section: Effect On Egg Development When Female Insects Are Mated To Cmentioning

confidence: 99%

Insect chemosterilants: a review

Campion¹

1972

Bull. Entomol. Res.

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In this paper the present status of insect chemosterilants is reviewed. Chemosterilants may be categorised into eight main chemical groups. Practical control measures involving the use of chemosterilants are discussed, also the persistence of these substances when applied to the insect. The gross effects of chemosterilants on insect reproductive systems and also the effects on egg develpment when female insects are mated to chemosterilised males are described, including dominant lethality, reciprocal translocation, enzyme inhibition and sperm inactivation. The possibilities of recovery of fertility and insect resistance to the sterilising effects of chemosterilants are discussed. Endocrine misfunction and chemosterilant action are related. The only practical chemosterilants as control agents are the aziridines although mutagenic hazards associated with these substances preclude their widespread usage. The sterilising activity of certain insect hormone analogues and related substances encourages the belief that safe insect specific sterilising agents can be found.

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Section: Effect On Egg Development When Female Insects Are Mated To Cmentioning

confidence: 99%

Insect chemosterilants: a review

Campion¹

1972

Bull. Entomol. Res.

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Effect of thiourea on the histopathology and the reproductive performance of the male flesh fly Sarcophaga ruficornis (Fabr.)

Sharma¹,

Agarwal²,

Saxena³

1980

Pestic. Sci.

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When newly emerged and 24‐hour‐old male flesh flies Sarcophaga ruficornis (Fabr.) were fed on food containing 1.5% thiourea for 24 h, there was a small decrease in the size of the testes in both cases. Disturbance in spermatogenesis and histopathological damage were also observed in both cases. However, in the newly emerged flies the effect was mainly on secondary spermatocytes and spermatids, while in the others the effect was more pronounced on spermatogonia. The reproductive performance in respect of the production of larvae was considerably diminished in the newly emerged treated flies and was even further diminished in flies that were 24 h old when treated. The rate of adult emergence, however, remained unaffected for both kinds.

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The Parasitoid Wasps, Habrobracon and Mormoniella

Cassidy¹

1975

Invertebrates of Genetic Interest

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Chemosterilant Studies on Bracon (Hymenoptera: Braconidae) Sperm. I. Sperm Inactivation and Dominant Lethal Mutations

Cited by 12 publications

References 0 publications

Insect chemosterilants: a review

Insect chemosterilants: a review

Effect of thiourea on the histopathology and the reproductive performance of the male flesh fly Sarcophaga ruficornis (Fabr.)

The Parasitoid Wasps, Habrobracon and Mormoniella

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