Palmetto Tortoise Beetle, Florida Tortoise Beetle (unofficial common names), Hemisphaerota cyanea (Say), (Insecta: Coleoptera: Chrysomelidae: Cassidinae)
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Defensive use of a fecal thatch by a beetle larva (Hemisphaerota cyanea).
The larva of the tortoise beetle, Hemisphaerota cyanea (Chrysomelidae, Cassidinae), constructs a thatch from long filamentous fecal strands, beneath which it is totally concealed. The thatch is not discarded at molting but is enlarged by addition of strands as the larva grows. Thatch construction begins when the larva hatches from the egg. Pupation occurs beneath the thatch. Two predators, a co...
متن کاملDefense by foot adhesion in a beetle (Hemisphaerota cyanea).
The beetle Hemisphaerota cyanea (Chrysomelidae; Cassidinae) responds to disturbance by activating a tarsal adhesion mechanism by which it secures a hold on the substrate. Its tarsi are oversized and collectively bear some 60,000 adhesive bristles, each with two terminal pads. While walking, the beetle commits but a small fraction of the bristles to contact with the substrate. But when assaulted...
متن کاملDistribution and host specificity of the thistle-feeding tortoise beetle Cassida vibex (Coleoptera: Chrysomelidae) in southwestern Hokkaido, northern Japan
Title Distribution and host specificity of the thistle-feeding tortoise beetle Cassida vibex (Coleoptera: Chrysomelidae) in southwestern Hokkaido, northern Japan Author(s) Fujiyama, Naoyuki; Togashi, Kozue; Kikuta, Shogo; Katakura, Haruo Citation Entomological Science, 14(3): 271-277 Issue Date 2011-07 Doc URL http://hdl.handle.net/2115/49482 Right The definitive version is available at wileyon...
متن کاملThe Common Asparagus Beetle and Spotted Asparagus Beetle (Coleoptera: Chrysomelidae): Identification, Ecology, andManagement
The common and spotted asparagus beetles (Crioceris asparagi (L.) and Crioceris duodecimpunctata (L.), respectively) are host-specific pests of asparagus, and frequently occur wherever asparagus is grown. The common asparagus beetle is the more serious of the two pests. It emerges earlier in the season, and both adults and larvae can cause damage to the asparagus crop by chewing spears and remo...
متن کاملChecklist of tortoise beetles (Coleoptera, Chrysomelidae, Cassidinae) from Colombia with new data and description of a new species
A new tortoise beetle species, Cyrtonota abrili, is described from the Antioquia and Caldas departments in Colombia. New faunistic data are provided for 87 species, including 16 new additions to the country's fauna. A checklist of the known 238 species of tortoise beetles recorded from Colombia is given.
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ژورنال
عنوان ژورنال: EDIS
سال: 1969
ISSN: 2576-0009
DOI: 10.32473/edis-in388-2001