A triploid race of the reportedly parthenogenetic japanese weevil Catapionus gracilicornis roelofs (Coleoptera: Curculionidae).

A reclassification of the weevil subfamily Cyclominae (Coleoptera: Curculionidae)

.............................................................................................................................................................................. 2 Introduction ......................................................................................................................................................................... 2 Material and methods .................

Estimating dispersal rate of the silky cane weevil (Coleoptera: Curculionidae)*

The objective of this study was to estimate the silky cane weevil rate of dispersal under near-natural conditions inside a screened enclosure where an array of buckets was baited with cut sugarcane stalks. One hundred weevils were released and weevils inside the buckets were counted hourly for 8 h, and then 24 and 48 h after release. A passive diffusion model was used to estimate the weevil’s d...

AntennAl sensillA of pArthenogenetic And bisexuAl Lissorhoptrus oryzophiLus (coleopterA: curculionidAe)

Antennal sensilla were compared in parthenogenetic females and bisexual adults of rice water weevil, Lissorhoptrus oryzophilus Kuschel (coleoptera: curculionidae), using scanning electron micrographs. the antenna of parthenogenetic females and of both sexes of bisexual reproductive weevils consisted of the scape, pedicel, and 6 flagellar segments. females, regardless of mode of reproduction, ha...

Sunflower Resistance to the Red Sunflower Seed Weevil (Coleoptera: Curculionidae)

Organic Treatments for Control of Pepper Weevil (coleoptera: Curculionidae)

The pepper weevil, Anthonomus eugenii Cano (Coleoptera: Curculionidae) is a major pest of pepper (Capsicum spp.; Solanales: Solanaceae) in the southern United States, Mexico, Central America and the Caribbean. Feeding and oviposition cause flower and fruit abscission and internal fruit damage resulting in serious yield losses. Females lay eggs in flower buds and small fruits, shielding larvae f...