. Cooperative economic insect report. Beneficial insects; Insect pests. INSECTS NOT KNOWN TO OCCUR IN THE CONTINENTAL UNITED STATES GROUNDNUT BRUCHID (Caryedon serratus (Olivier)) V Economic Importance: Caryedon serratus (Olivier), described in 1790, has also been known as Caryedon fuscus (Bedel) and C. gonagra (F.). It is a serious pest of stored groundnuts (Arachis hypogaea L.) in Africa (Senegal, Nigeria, Uganda, Gambia) where it attacks both shelled and unshelled nuts during drying and in open stack or warehouse storage. It is occasionally intercepted in seed or confectionary nuts from Afr
. Cooperative economic insect report. Beneficial insects; Insect pests. INSECTS NOT KNOWN TO OCCUR IN THE CONTINENTAL UNITED STATES GROUNDNUT BRUCHID (Caryedon serratus (Olivier)) V Economic Importance: Caryedon serratus (Olivier), described in 1790, has also been known as Caryedon fuscus (Bedel) and C. gonagra (F.). It is a serious pest of stored groundnuts (Arachis hypogaea L.) in Africa (Senegal, Nigeria, Uganda, Gambia) where it attacks both shelled and unshelled nuts during drying and in open stack or warehouse storage. It is occasionally intercepted in seed or confectionary nuts from Africa. Although it is of primary importance as a pest of groundnuts (peanuts), one of its preferred hosts is tamarind (Tamarindus indica L.), a pantropical legume grown in the Old World tropics and in Mexico and the Caribbean. The bruchid is often intercepted in Plant Quarantine in- spections of tamarind seeds, and as hitchhikers in planes and ships. It is a potential storage pest of peanuts in the United States. Distribution: Burma, Ceylon, Curacao Island, Dominica Island, Fiji, Gambia, Guyana, Haiti, Hawaii, India, Indonesia (Java), Iraq, Israel, Jamaica, Jordan, Kenya, Malagasy Republic, Malaysia, the Mascarenes, Mexico, New Zealand, Nigeria, Pakistan, Portugese Guinea, Senegal, the Seychelles, Sudan, Tahiti, Thailand, Uganda, and Virgin Islands. Hosts: Principally groundnuts (peanuts) and tamarind seeds. It has been inter- cepted on a number of othe'" different General Distribution of Caryedon serratus Life History and Habits: The egg is laid on the shell or nut, and the larva bores into the meat of the nut where it completes its development. Before pu- pation, the mature larva bores out and forms a papery brown pupal case partly within the burrow or glued to the outer surface of the nut. Two to four larvae may develop in a single nut. The emerging female after mating will reinfest pods or nuts in the vicinity to begin a second generation. Presumably, continuous
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