Host-Finding by Insect Parasites. 1. Observations on the Finding of Hosts by Alysia manducator, Mormoniella vitripennis and Trichogramma evanescens

Abstract

3. Finding the area in which the host occurs . 300 (a) Cases in the literature . . . . 300 (b) Experiments with Alysia manducator 302 (c) Experiments with Mormoniella vitripennis 304 (d) Discussion .. .305 4. Finding the host in the host-containing area . 306 (a) Introduction ..306 (b) Perception of the host . . .307 (c) Movement from the first host . . .311 (d) The effect of the turning movement on the chance of finding the next host . . .313 5. Discussion .. .315 6. Summary .. .316 Acknowledgement .. .317 References .. .317