Pachyprosopis is a genus of bees, also known as naked bees, in the family Colletidae and subfamily Euryglossinae. It comprises 23 species in three subgenera. These bees are endemic to Australia, with records from all states and territories. They have a robust build, are almost hairless, and are usually around 4–7 mm long. In almost every species, the female has an apical spine on the labrum, and most species exhibit strong sexual dimorphism. They almost exclusively visit flowers from the Myrtaceae family. They have been recorded nesting in beetle burrows in an old tree stump, as well as in termite soil in eucalypt hollows.
Species As of 2026 the genus contained 23 valid species in three subgenera: Pachyprosopis, Pachyprosopula, and Parapachyprosopis:
Pachyprosopis angophorae Pachyprosopis cornuta Pachyprosopis eucalypti Pachyprosopis eucyrta Pachyprosopis flava Pachyprosopis flavicauda Pachyprosopis georgica Pachyprosopis grossoscapus Pachyprosopis hackeri Pachyprosopis haematostoma Pachyprosopis holoxanthopus Pachyprosopis indicans Pachyprosopis kellyi Pachyprosopis kununurra Pachyprosopis melanognathus Pachyprosopis mirabilis Pachyprosopis plebeia Pachyprosopis psilosomata Pachyprosopis purnongensis Pachyprosopis sternotricha Pachyprosopis trichopoda Pachyprosopis xanthodonta Pachyprosopis xanthometopa
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