Anoplius infuscatus
| Anoplius infuscatus | |
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| Anoplius infuscatus dragging a spider | |
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| Species: | A. infuscatus
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| Binomial name | |
| Anoplius infuscatus (Vander Linden, 1827)
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Anoplius infuscatus is a species of spider wasp found mainly in Eurasia.
Distribution
A. infuscatus occurs in Europe (including southern Britain) and North Africa, east to the Pacific.[2]
Identification
A. infuscatus is about 10mm in length and resemble the Arachnospila wasps with which they are often found, with similar behaviour. The colouring of A. infuscatus is less red than orange and its wing venation also differs from all members of Arachnospila.[3]
Habitat
Prefers moist sandy areas, especially near the coast.[2]
Biology
Xerolycosa nemoralis, Alopecosa trabalis,Trochosa ruricola and Pardosa monticola are recorded as prey[4][5] but is also suspected to feed on other members of the families Lycosidae, Agelenidae and Thomisidae.[2] Adults nectar on Heracleum sphondylium and other members of the Apiaceae.[2][4] The prey is captured following an active hunt and paralysed either within its own burrow or other hiding place, e.g. under a stone while the nest burrow is constructed. The spider is then dragged to the nest burrow and the wasp begins to construct a cell in which to place the spider, the commencement of cell construction being indicated by the wasp entering and leaving the nesting burrow head first, meaning it can turn around in the burrow. Sometimes the wasp amputates some of the spider's legs before placing into the burrow. The wasp lays its egg on the gaster of the spider.[5]
Kleptoparasitic behaviour has been recorded, both intraspecific and from Anoplius concinnus, in the latter case the A. infuscatus female entered the nest of its cogener, destroyed the egg already on the spider and placed one of its own.[5] Interaction with ants can disturb the wasp while it is transporting the prey and this can cause it to hide the prey by placing it higher up in grass. There is also a case of parasitism by the fly of the family Sarcophagidae, probably Sarcophaga socrus, while the spider-wasps Ceropales maculata, Ceropales cribrata and Evagetes argenteodecoratus have been recorded as interspecific kleptoparasites.[5]
The flight period in Britain is from June to September[2] and it does not overwinter as an adult.[3]
External Links
Video https://www.youtube.com/watch?v=NVK4sMS-QhY
References
- ^ "Anoplius infuscatus (Vander Linden, 1827)". insecta.pro. Retrieved 26 August 2016.
- ^ a b c d e "Anoplius infuscatus (Vander Linden, 1827)". Bees, Wasps and Ants Recording Society. Retrieved 26 August 2016.
- ^ a b ."Lowland healthland - Spider-hunting wasps (Pompilinae: Anoplius spp)". Jeremy Early. Retrieved 27 August 2016.
- ^ a b "Anoplius infuscatus [chalybeatus] (Vander Linden 1827) (Family Pompilidae)". commaster.eu. Retrieved 26 August 2016.
- ^ a b c d Andrietti, Francesco; Casiraghi, Mauirizio; Martinoli, Adriano; Polidori, Carlo; Montresor, Claudio (2008). "Nesting habits of two spider wasps: Anoplius infuscatus and Episyron sp. (Hymenoptera: Pompilidae), with a review of the literature". Annales- Societe Entomologique de France. 44 (1): 93–111.