Larval and Egg Parasitism of Keiferia lycopersicella (Walsingham) (Lepidoptera: Gelechiidae) in Southern Florida Tomato Fields 1
- 1 October 1983
- journal article
- research article
- Published by Oxford University Press (OUP) in Environmental Entomology
- Vol. 12 (5) , 1322-1326
- https://doi.org/10.1093/ee/12.5.1322
Abstract
Egg and larval parasitism of the tomato pinworm (TPW), Keiferia lycopersicella (Walsingham), was studied in southern Florida tomato fields. Larval parasitism ranged from 39.34 to 46.26%c in 1980–1981. Apanteles spp. was the most abundant larval parasite, followed by Sympiesis stigmatipennis Girault and Temelucha spp. Egg parasitism by Trichogramma pretiosum Riley ranged from 33 to 92% in fields with low egg density (less than one egg per two leaves) and from 12 to 60% in fields with high egg density (more than three eggs per two leaves). Despite this, T. pretiosum was considered density independent of TPW population. Parasites were most abundant in abandoned fields from April through June.This publication has 3 references indexed in Scilit:
- Spatial Variations in Host Density and the Intensity of Parasitism: Some Empirical ExamplesEnvironmental Entomology, 1980
- Evaluation of Procedures for Sampling Heliothis zea and Keiferia lycopersicella on Tomatoes123Journal of Economic Entomology, 1979
- Seasonal Occurrence and Parasitization of the Tomato Pinworm 1 on Fresh Market Tomatoes in Southern CaliforniaEnvironmental Entomology, 1979