Taurodemus flavipes

Description: 

Wood (2007) reports that Taurodemus flavipes can be distinguished from T. salvini (Blandford) by the smaller body size; by the dense micropunctures on the subshining elytral declivity; and by the smaller average size of the spines on the basal half of the elytral declivity.

Biology: 

Wood (2007) described collecting specimens in stems ranging from 3-8 cm in diameter. The entrance tunnel penetrated about 1cm into the wood and branched. Each arm cut across the grain of the wood and followed a growth ring toward the opposite side of the branch. The arms usually joined, forming a complete ring. The larvae were reared within the tunnel on the ambrosial fungus until growth forced them to enlarge the original tunnel. The species is apparently xylomycetophagous as the wood was apparently digested with the fungal mycelium. Wood, 1982: The female usually attacks cut or broken branches and tree seedlings 2-7 cm in diameter. The entrance tunnel extends directly into the wood to a depth of about 1 cm, then bifurcates and follows a growth ring both to the right and to the left, on the same transverse plane, and often meeting and joining on the opposite side of the branch. Masses of eggs are deposited in the tunnels. The larvae feed in congress upon the ambrosial fungus and, evidently, also upon the woody tissues, thus expanding the original gallery along the grain of the wood to form a large tabular chamber barely large enough to accommodate the mass of growing larvae. As many as 30-50 larvae may be produced by one female. Males are rare. It is a common species in agricultural and other disturbed areas.

Thu, 2012-09-06 18:37 -- hulcr
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Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith