Poecilopompilus algidus

Classification

Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Order: Hymenoptera
Superfamily: Pompiloidea
Family: Pompilidae
Subfamily: Pompilinae
Tribe: Pompilini
Genus: Poecilopompilus
Species: algidus

Pronunciation

How to pronounce Poecilopompilus algidus: /ˌpɛkɪloʊˈpɒmpɪləs ælˈdʒaɪdəs/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Summary

Poecilopompilus algidus, a widespread spider wasp found in the Americas, thrives in sandy habitats and is recognized for its predatory behavior towards orb-weaving spiders. Its various subspecies exhibit adaptations to their specific environments, contributing to the species' ecological diversity.

Physical Characteristics

P. algidus is 13–28 mm in length, with females usually larger than males. In some areas, it appears mainly black with a red spot on the metasoma. Females have 3 strong spines on the front tarsi and convergent inner eye margins, while P. interruptus has four weak spines and parallel inner eye margins.

Identification Tips

Females can be identified by the strong spines on the front tarsi and the inner margin of the eyes. The presence of 3 strong spines and convergent inner eye margins helps distinguish P. algidus from P. interruptus.

Habitat

Prefers sandy areas where it is fossorial but can also inhabit areas with abundant vegetation.

Distribution

From Ontario south through the United States, Mexico, and Central America to Argentina.

Diet

Females provision nest burrows with Araneid spiders, primarily hunting orb-weaving spiders.

Life Cycle

In the northern part of its range, it is likely univoltine, typically appearing mid-summer to late autumn. In warmer areas, it may be multivoltine.

Reproduction

Females dig burrows in sandy soil, provision them with prey, and line the nests with materials such as dried pine needles.

Ecosystem Role

As a spider wasp, it plays a role in controlling spider populations by hunting them as prey for its young.

Similar Taxa

Misconceptions

Some may confuse P. algidus with similar species due to its mimicking behavior of other wasps, which can lead to underestimation of its uniqueness.