Oviposition Patterns, Egg Parasitism, and Spring Emergence of the Sugarcane Borer, Diatraea saccharalis 123
- 1 August 1978
- journal article
- research article
- Published by Oxford University Press (OUP) in Environmental Entomology
- Vol. 7 (4) , 601-604
- https://doi.org/10.1093/ee/7.4.601
Abstract
The density of sugarcane borer, Diatraea saccharalis (F.), egg masses during 1972–74 was usually high during June, July and Aug. when sugarcane was most susceptible to damage. Trichogramma spp. egg parasites reduced populations of sugarcane borer eggs dramatically during the fall months. Although no varietal preference for oviposition was observed, a preference was noted for the upper surface of sugarcane leaves as an oviposition site. Approximately two-thirds of the sugarcane borer, Diatraea saccharalis (F.), adults emerging from the overwintering generation during 1972–75 emerged in a 3-wk period in Mar. Peak emergence occurred on the sample date nearest Mar. 23 of each year. The male to female ratio of emergent adults averaged 1.97:1. There was no apparent difference in the emergence patterns of males and females relative to time.This publication has 1 reference indexed in Scilit:
- Diapause in the Sugarcane Borer, Diatraea saccharalis1Journal of Economic Entomology, 1961