Zobrazeno 1 - 8
of 8
pro vyhledávání: '"M H, Villet"'
Autor:
Champlain Djiéto-Lordon, M. H. Villet, F. D. Feugang Youmessi, C.F. Bilong Bilong, Y. Braet, P. B. Nwane
Publikováno v:
Asian Journal of Biology. :33-43
Forensic entomology offers insects as physical evidence during legal procedures. Forensic entomologists have determined succession of arthropods on dead animals, but few published studies are available on necrophagous larvae collected on carcasses ar
Autor:
P. E. Reavell, M. H. Villet
Publikováno v:
African Zoology; Vol 24, No 4 (1989); 333-336
The platypleurine cicadas are a group of large, attractively patterned, tree-dwelling bugs which make their presence obvious by their loud calling songs. Practically nothing is known of the biology of the southern African cicadas, although many are a
Publikováno v:
Journal of Economic Entomology. 101:99-106
Publikováno v:
African Zoology. 41:178-182
Publikováno v:
South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde. 98(3)
Publikováno v:
Journal of economic entomology. 101(1)
Chicory, Chicorium intybus L. (Compositae), is a major field crop in the Eastern Cape Province of South Africa. Several pests feed on the leaves of the plant, resulting in reduced yield. The most important of these are the noctuid moths Helicoverpa a
Social organization ofPlatythyrea lamellosa(Roger) (Hymenoptera: Formicidae): II. Division of labour
Autor:
M. H. Villet
Publikováno v:
South African Journal of Zoology. 25:254-259
Although colonies of Platythyrea lamellosa were found to be consistently queenless, the division of labour amongst workers resembled the pattern generally characteristic of ants. Mated workers were involved only with reproduction and tending larvae.
Publikováno v:
South African Journal of Zoology. 25:250-253
Colonies of Platythyrea lamellosa contained 18-276 workers, but no queens were found. Dissected workers had five to nine ovarioles per ovary, the two ovaries of an individual often differing. In each of the colonies examined, only one worker was inse