THE RISE AND DECLINE OF A LOCAL POPULATION OF THE APHID APHIS BARBERAE (HOMOPTERA: APHIDIDAE)

1 December 1980

journal article
research article
Published by Cambridge University Press (CUP) in The Canadian Entomologist

Vol. 112 (12) , 1285-1289
https://doi.org/10.4039/ent1121285-12

Abstract

The rise and decline of two infestations of Aphis barberae Robinson on the thistle Cirsium arvense (L.) Scop, are described. The larger infestation consisted of 122 colonies in an area 8 m in diameter and produced many alatae before declining. The second infestation consisted of 12 colonies and produced no alatae. Each infestation appeared to arise from a single central colony and spread when alate and apterous aphids travelled short distances to adjacent plants. The growth patterns indicate that each infestation represented a single clone. Both infestations declined rapidly due largely to predation and became locally extinct early in the summer.

Keywords

This publication has 3 references indexed in Scilit:

A NEW SPECIES OF APHIS L. (HOMOPTERA: APHIDIDAE) FROM NASTURTIUM
The Canadian Entomologist, 1980
Effects of population density on alienicolae of Aphis fabae Scop.: The expression of migratory urge among alatae in the field
Annals of Applied Biology, 1973
Flight Behavior of Aphids
Annual Review of Entomology, 1972