Predation by Tarnished Plant Bugs (Heteroptera: Miridae) of Heliothis (Lepidoptera: Noctuidae) Eggs and Larvae
- 1 February 1987
- journal article
- research article
- Published by Oxford University Press (OUP) in Environmental Entomology
- Vol. 16 (1) , 37-40
- https://doi.org/10.1093/ee/16.1.37
Abstract
Greenhouse and laboratory studies showed that each instar and adult of tarnished plant bug (TPB), Lygus lineolaris (Palisot de Beauvois), may feed on eggs and the first three instars of Heliothis spp. Under greenhouse test conditions, significantly more Heliothis spp. eggs were destroyed in a 24-h period by third- and fourth-instar TPB than by adult TPB. However, adult TPB preyed on significantly larger numbers of second- and third-instar H. virescens (F.) larvae during 24- and 48-h periods than any of the five instars. Under laboratory conditions, significantly higher percentages of Heliothis eggs were destroyed in 24 and 48 h by the TPB adult and by each instar, two through five, than were destroyed by the first instar.Keywords
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