Field and laboratory studies at ibadan, nigeria, showed that the young nymphs of zonocerus variegatus l. Destruction of eggs as an alternative to chemical control of the. Zonocerus variegatus african grasshopper repellent secretion chemical. A preliminary feeding trial was conducted to evaluate the nutritive value of adult variegated grasshopper zonocerus variegatus meal vgm as a replacement for fish meal in the diets of clarias gariepinus fingerlings. Zonocerus variegatus is a common grasshopper in parts of west and equtorial africa. Pas are not present in specimens raised indoors on pa free plants. Pdf the grasshopper zonocerus variegatus has been consumed for centuries in africa, asia and some other parts of the world. Both species are significant agricultural pests, especially for african smallholder farmers. Later instars will eat cassava, especially when deprived of food for some time, but the adults progressively lose weight when restricted to feeding on growing cassava. Pyrgomorphidae is known as an agricultural pest in west and central africa.
Pdf zonocerus variegatus is a common grasshopper in parts of west and equtorial africa. It was found to contain alkaloids, glucose, proteins, free amino acids. Zonocerus variegatus wikispecies, free species directory. Azadirachta indica on the survival, development and fecundity of the variegated grasshopper zonocerus variegatus was investigated. Pdf the attraction of zonocerus variegatus orthoptera. Nutritional value assessment of variegated grasshopper, zonocerus variegatus l. The distribution in nigeria extends from the lowland rainforest zone to the savannah in the north. Field infection of zonocerus variegatus following application of an oil. Bionomics of the variegated grasshopper zonocerus variegatus in west and central africa. The variegated grasshopperzonocerus variegatusare gregarious and always move in groups in search of linnaeus, 1758, is a polyphagous insect pest of food food while stages 46 larvae and adults are solitaries 6.
Pdf the grasshopper zonocerus variegatus has been consumed for centuries in. Le criquet puant, zonocerus variegatus, chiffaud j. Pdf grasshoppers zonocerus variegatus as a potential. Preliminary chemical analyses of the repellent secretion of the. Zonocerus is a genus of grasshoppers in the family pyrgomorphidae and the tribe phymateini. Bionomics of the variegated grasshopper zonocerus variegatus in.
Factors affecting the mortality of the grasshopper, zonocerus variegatus, in southern nigeria. Article pdf available january 2012 with 1,964 reads. All books are in clear copy here, and all files are secure so dont worry about it. Preliminary evaluation of the nutritive value of the. Descriptions and morphometrics of the nymphs of zonocerus. Pdf field infection of zonocerus variegatus following. However, its importance in the agricultural production system in cameroon has not been inve. Most insects reared in the laboratory passed through six nymphal instars, although more had only five nymphal instars when reared in crowded conditions. Links zonocerus variegatus in the orthoptera species file database, accessed on 281020. Jagos grasshoppers of east and north east africa, vol.
336 1410 90 279 1431 285 1087 1036 341 1374 78 681 48 930 935 234 460 1016 851 1224 1475 1477 546 486 403 88 911 1406 995 1177 1322 1088 1088 425 687 552 770 1415 946 663 828