| 词条 | Evagetes crassicornis |
| 释义 |
| name = Evagetes crassicornis | image = | taxon = Evagetes crassicornis | authority = (Shuckard, 1857) | synonyms = *Pompilus crassicornis Shuckard, 1857
| synonyms_ref = [1] }} Evagetes crassicornis is a kleptoparasitic spider wasp with a holarctic distribution. DescriptionA red and black spider hunting wasp with fairly short and thick antennae with well-developed sensory powers which it uses to identify the nests of other spider wasps and tarsal combs on the forelegs for digging into these nests. BiologyIn Great Britain and Ireland the flight period is May to September. E. crassicornis is a kleptoparasitic species probably preying on various species of spider wasp, although specific hosts have not been identified. It is thought that in Britain the hosts are Arachnospila anceps and Anoplius nigerrimus, and there is a European record of Arachnospila trivialis being parasitised. E. crassicornis spends a lot of time searching for the nests of its host species on open sunny ground. Once the host's nest has been invaded E. crassicornis eats the hosts's egg and lays its own on the paralysed spider and then reseals the host's nest. Adult E. crassicornis visit a wide variety of open flowers which have short corollae, especially Apiaceae and Asteraceae. HabitatAlthough E. crassicornis shows a preference for sandy habitats, it may be encountered on areas of open ground within a variety of habitats. DistributionNorthern and central Europe east to central Asia also in North America. TaxonomyE. crassicornis forms a group with the closely related E.sahlbergii and E.orientalis.[2] It also has two subspecies which are
References1. ^{{cite web | url = http://www.faunaeur.org/full_results.php?id=198096 | title = Evagetes (Evagetes) crassicornis (Shuckard 1837)| accessdate = 9 April 2017 | publisher = Fauna Europaea}} {{Taxonbar|from=Q5415239}}{{Vespoidea-stub}}2. ^Lelej, A.S. & Loktiniov, V.M. 2009 Review of the Evagetes crassicornis species-group (Hymenoptera: Pompilidae), with description of new species Zootaxa 2230: 42–50 ISSN 1175-5334 3. ^Wasbauer, M.S & Kimsey, L.S. 1985 California Spider Wasps of the Subfamily Pompilinae (Hymenoptera, Pompilidae) Bulletin of the California Insect Survey Vol 26 {{ISBN|0-520-09957-5}} 4 : Hymenoptera of Europe|Pompilidae|Hymenoptera of North America|Insects described in 1857 |
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