Showing posts with label DARKLING BEETLE (Family Tenebrionidae). Show all posts
Showing posts with label DARKLING BEETLE (Family Tenebrionidae). Show all posts
Sunday, 14 March 2021
Sunday, 13 May 2018
13-5-2018 MONTE CORONA, VALENCIA - DARKLING BEETLE (Family Tenebrionidae)
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Tenebrioninae is the largest subfamily of the darkling beetles (Tenebrionidae), containing flour beetles, among others. Tenebrioninae contains more than 20 tribes.
Adults are robust, mid-sized beetles that typically have elytra with some sort of corrugation on the upper side. They are typically black, dark brown or grey, and often have a satiny sheen. The body is shaped like a medication capsule or like a bullet; the legs can be short and stout or long and spindly. They eat both fresh and decaying vegetation, including vegetable produce, and several are commercially important pests of flour and other cereal products.
The subfamily has been characterized as adults having mandibles with the back opposite the cutting edge, without margination and excavated opposite the molar pait; having ocelli arranged in two transverse, crescent shaped or circular groups on each side of head, and with five more or less fused lenses; having antennae with basal articles noticeably longer than wide; having pygidium that is apically bicomute; and having abdominal spiracles that are oval and transverse, among other characteristics.
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