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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Abundance and life cycle of Zonocerus variegatus (Orthoptera: Pyrgomorphidae) in the humid forest zone of southern Cameroon
Entomological Science, Volume 9, No. 1, Year 2006
Notification
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Description
Weekly captures from January 2000 to January 2002 enabled us to study the abundance and life cycle of the variegated grasshopper, Zonocerus variegatus (Orthoptera: Pyrgomorphidae), in the humid forest zone of Southern Cameroon. We found that Z. variegatus was present throughout the year in the forest reserve and the human-influenced zones of Yaounde and Mbalmayo in two univoltine populations, which had unequal abundance and durations. The separation of the two populations was clearer in the Yaounde and Mbalmayo developed zones than in the Mbalmayo forest reserve (undeveloped zone). The abundance of Z. variegatus varied according to the post-embryonic stage, sex, year and season. Hatching and coupling took place during the dry and rainy seasons, whereas oviposition occurred only in the rainy season. In Cameroon, the type of life cycle of Z. variegatus observed in the humid forest zone of the south is different from that of the "Sudanian and Sahelian" zones. © 2006 The Entomological Society of Japan.
Authors & Co-Authors
Messi, Jean
Cameroon, Yaounde
Université de Yaoundé I
Kekeunou, Sévilor
Cameroon, Yaounde
Université de Yaoundé I
Cameroon, Yaounde
International Institute of Tropical Agriculture Yaounde
Weise, Stéphan F.
Cameroon, Yaounde
International Institute of Tropical Agriculture Yaounde
Statistics
Citations: 23
Authors: 3
Affiliations: 2
Identifiers
Doi:
10.1111/j.1479-8298.2006.00150.x
ISSN:
13438786
e-ISSN:
14798298
Study Locations
Cameroon