Bulletin of Entomological Research (1949) 40, 359-369

D.K. McE. Kevan (1949)
Notes on East African bush locusts with special reference to Phymateus aegrotus (Gerstacker 1869) (Orth., Acrid., Pyrgomorphinae)
Bulletin of Entomological Research 40 (3), 359-369
Abstract: The term "bush locust" is proposed to include the species of Phymateus, or other large Pyrgomorphinae, in which the nymphal stages remain gregarious throughout life. Keys are given to hoppers and adults of the four East African species and standardised. English names proposed. Normally, adults of Phymateus are economically unimportant, but hopper bands may be destructive to crops. A preference for Euphorbiaceae was noted. The life history of P. aegrotus is given and observations made on hopper behaviour and band size, which may extend to 25 sq. yd. in area, or over. Bands are very dense, both when marching and when stationary (60-80 final instar hoppers per sq. foot). In most cases, the bands may be beaten out with branches, or they may be destroyed by poison bait, or dusting with 7% di-nitro-ortho-cresol.
(The abstract is excluded from the Creative Commons licence and has been copied from Acridological Abstracts with permission by NRI, Univ. of Greenwich at Medway.)
Link to article at publishers website

Research topic(s) for pests/diseases/weeds:
general biology - morphology - evolution

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Phymateus aegrotus