Leioproctus quadripinnatus, or Leioproctus (Colletellus) quadripinnatus, is a species of bee in the family Colletidae and subfamily Colletinae. It is endemic to Australia. It was described by entomologist Remko Leijs in 2018.
Etymology The specific epithet quadripinnatus is an anatomical reference to the thin, feathery, apical lobes of the male sterna 7.
Description The male holotype body length is 4.5 mm, head width 1.5 mm. Integumental colouration is mainly black, orange and brown. The hair is light brown.
Distribution and habitat The species occurs in south-west Western Australia. The type locality is Eagle Bay.
Behaviour The adults are flying mellivores.
References