New species of Systoechus (Dipt., Bombyliidae), a predator on egg-pods of the de
Grethead, D.J.
New species of Systoechus (Dipt., Bombyliidae), a predator on egg-pods of the de - London 1958 - 22-23 p. - Anti-Locust Research Centre, G .
New species of Systoechus (Dipt., Bombyliidae), a predator on egg-pods of the de - London 1958 - 22-23 p. - Anti-Locust Research Centre, G .