Digger Wasp

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Digger Wasp

 

(Philanthus triangulum), a solitary wasp of the Sphecidae family. Body length, 12-16 mm.

The adult digger wasp feeds on flowers. The female builds a vertical burrow approximately 1 m deep with chambers on the sides where the larvae develop. The wasp preys on honeybees, killing them and bringing them back to the nest to feed the larvae. During its development, a larva will eat four to six bees. Settling in large colonies near apiaries, digger wasps may be detrimental to beekeeping.

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Key words: Penepodium dubium, Sphecidae, Hymenoptera, digger wasp, larva, taxonomy, Brazil.
The knowledge on digger wasp larval morphology has greatly increased since the comprehensive papers of Evans (references in Evans 1964).
Digger wasps are solitary creatures who use their feet to carve out nests up to half a metre deep in sandy and chalky areas.
Attraction of female digger wasps, Astata occidentalis Cresson (Hymenoptera: Sphecidae) to the sex pheromone of the stink bug Thyanta pallidovirens (Hemiptera: Pentatomidae).
Nonrandom provisioning by the digger wasp, Palmodes laeviventris (Hymenoptera: Sphecidae).
Evaluating buprestid preference and sampling efficiency of the digger wasp, Cerceris fumipennis, using morphometric predictors.