Dyscinetus morator (Fab.) (Coleoptera: Scarabaeidae) adults attack waterhyacinth, Eichhornia crassipes (Pontederiaceae)

Dyscinetus morator (Fab.) (Coleoptera: Scarabaeidae) adults attack waterhyacinth, Eichhornia crassipes (Pontederiaceae)

Dyscinetus morator (Fab.) adults were found burrowing in the crowns of waterhyacinth plants in northcentral Florida. Adults caged on waterhyacinth in the laboratory readily crawled underwater to feed or to escape disturbances. They remained active in forced submergence tests for up to 3 h and surviv...

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Bibliographische Detailangaben
Veröffentlicht in:The Coleopterists bulletin 1989-03, Vol.43 (1), p.27-33
Hauptverfasser: Buckingham, G.R, Bennett, C.A
Format: Artikel
Sprache:eng
Schlagworte:
Adult insects
AGENTES NOCIVOS
AUXILIAIRE DE LUTTE BIOLOGIQUE
Beetles
BIOLOGICAL CONTROL ORGANISMS
COLEOPTERA
DESHERBAGE
EICHHORNIA
Eichhornia crassipes
ESCARDA
FACTEUR NUISIBLE
Flood damage
FLORIDA
FLORIDE
Freshwater
HOSPEDEROS
HOSTS
HOTE
INJURIOUS FACTORS
Insect larvae
Larvae
Mosses
ORGANISMOS PARA CONTROL BIOLOGICO
Peat
Plants
Scarabaeidae
WEED CONTROL
Weevils
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Zusammenfassung:Dyscinetus morator (Fab.) adults were found burrowing in the crowns of waterhyacinth plants in northcentral Florida. Adults caged on waterhyacinth in the laboratory readily crawled underwater to feed or to escape disturbances. They remained active in forced submergence tests for up to 3 h and survived submergence periods as long as 36 h. Eggs were deposited in sphagnum peat moss but not on waterhyacinth. One larva fed excised waterhyacinth roots and peat moss completed development after 105 days.
ISSN:0010-065X
1938-4394