Umbellifer-visitor
Guides
Aporus luxus
Aporus luxus is a small spider wasp in the family Pompilidae, recognized by its iridescent blue-black coloration and streamlined body form. Adults measure 8-15 mm in length and are frequently observed on flowers, particularly umbellifers such as Queen Anne's Lace (Daucus carota), where they feed on nectar. The species is a specialist parasitoid of trapdoor spiders in the family Euctenizidae, with at least one confirmed record of rearing from Aptostichus sp. Females sting spiders into paralysis and deposit a single egg on the host within the spider's own burrow.
Aporus luxus assimilis
Aporus luxus assimilis is a subspecies of spider wasp in the family Pompilidae, originally described by Banks in 1917. Current taxonomic databases list this name as a synonym of Aporus luxus rather than a valid subspecies. The parent species A. luxus is a small iridescent blue-black wasp, 8–15 mm in length, known from western North America. Adults are commonly found on flowers of umbellifers and other plants where they feed on nectar. Females hunt trapdoor spiders (family Euctenizidae), paralyzing them and using the spider's own burrow as a nest for their offspring.
Ectemnius
Ectemnius is a large genus of solitary digger wasps in the family Crabronidae, comprising approximately 188 species distributed worldwide except for limited representation in Australia. Species are characterized by black bodies with yellow markings and nest construction in dead wood cavities. They provision nests with paralyzed flies for their larvae.
Ectemnius continuus
Common Ectemnius
Ectemnius continuus is a small to medium-sized digger wasp in the family Crabronidae, widespread throughout the Holarctic region. It is black with yellow markings on the scapes, pronotum, tibiae and tergites, and has a clypeus covered with shining silver hairs. The species is notable for having 12 antennal segments in both sexes, unlike most aculeates where males typically have 13 segments. Males possess unique small spines on the first and second tarsomeres of the mid tarsus.