Homonotus sanguinolentus
| Homonotus sanguinolentus | |
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| Species: | H. sanguinolentus
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| Homonotus sanguinolentus (Fabricius, 1793)
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Homonotus sanguinolentus, the Bloody Spider-hunting Wasp[2] is a European species of Pompilid wasp.
Biology
H. sanguinolentus preys on one species of spider, Cheiracanthium erraticum, which lives on the damper patches of heathlands. From late June until August the female spider spins a purse-like web using vegetation such as heather infloresences and grass flowering stems.[3] She remains this web until her eggs are laid and the young hatched. A hunting female H. sanguinolentus will force entry into the spider's purse-web and if it discovers a gravid female spider, the wasp quickly paralyses the spider by stinging it. H. sanguinolentus lays its own egg on the front of the spider’s abdomen and the spider recovers from the paralysis but it never leaves the web again, nor does she lay eggs. After three days the egg of H. sanguinolentus hatches and the larva feeds on the spider, finally killing it after about ten days. The H. sanguinolentus larva then spins its cocoon within the spider’s purse-web. The purse-web has to remain intact and above the ground until the following July when the new adult H. sanguinolentus emerge.[4]
Habitat
Heathlands but with an open canopy of heathers with taller vegetation.
Distribution
Southern and central Europe, north to southern England, Germany and Poland.[5] In the north of its range this is a highly thermophilic species. In the United Kingdom it is a Biodiversity Action Plan species.
References
- ^ http://eunis.eea.europa.eu/species/240144
- ^ http://data.nbn.org.uk/speciesInfo/taxonomy.jsp?searchTerm=Homonotus sanguinolentus&spKey=NHMSYS0000876062
- ^ http://webarchive.nationalarchives.gov.uk/20110303145213/http://ukbap.org.uk/UKPlans.aspx?ID=366
- ^ Hymettus Ltd - The UK Aculeate Conservation Group 2009 Homonotus sanguinolentus, a spider-hunting wasp of southern heathlands Aculeate Information Sheets No.4
- ^ Szczepko K, Kruk A & Bartos M, 2012 The role of mosaicity of the post-agriculture area of the Kampinos NationalPark in determining the diversity of species of spider wasps (Hymenoptera:Pompilidae) Eur. J. Entomol. 109: 35–46
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