Colletes Hederae
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''Colletes hederae'', the ivy bee, is a species of plasterer bee belonging to the family Colletidae subfamily Colletinae.


Taxonomy

These mining bees have been only recently described (Schmidt & Westrich 1993) as a distinct species.Cwgsy.net
/ref> Until then, they were confused with another species of '' Colletes'' the morphologically very similar, but ecologically distinctive, '' Colletes halophilus''.


Distribution

They are known from
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, southern
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Slovenia Slovenia, officially the Republic of Slovenia, is a country in Central Europe. It borders Italy to the west, Austria to the north, Hungary to the northeast, Croatia to the south and southeast, and a short (46.6 km) coastline within the Adriati ...
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and
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.


Description

The females of ''Colletes hederae'' are on average long, while the males are about long, significantly larger than the common colletes. The thorax of the adults is covered by dense orange-brown hair, while each abdominal segment has an apical orangey hair-band. This species is very similar to the closely related heather colletes ('' Colletes succinctus'') and even more to the sea aster mining bee ('' Colletes halophilus'').Michael Kuhlmann, George R.Else, Anna Dawson, Donald L.J.Quick
Molecular, biogeographical and phenological evidence for the existence of three western European sibling species in the Colletes succinctus group (Hymenoptera: Apidae)
Organisms Diversity & Evolution - Volume 7, Issue 2, 2 August 2007, Pages 155-165


Biology

The adults emerge late in the year (the males from late August and the females a little later in early September) and remain on the wing until early November. The principal pollen forage plant is ivy ('' Hedera helix'') (hence the specific epithet ''hederae''), but both sexes will also nectar at ivy flowers too. When ivy is scarce, other species of plants are also visited. The females supply the larval brood cells almost exclusively with nectar and pollen of ivy flowers. When ivy flowering is delayed, females may also collect pollen at various members of the Daisy family (
Asteraceae Asteraceae () is a large family (biology), family of flowering plants that consists of over 32,000 known species in over 1,900 genera within the Order (biology), order Asterales. The number of species in Asteraceae is rivaled only by the Orchi ...
). These are solitary bees and do not live in colonies and do not overwinter as adults. They nest in clay-sandy soils, especially in loess hills and soft-rock cliffs. Like many other solitary bees, they can often be found nesting in dense aggregations, sometimes numbering many tens of thousands of nests. In parts of the west European range of the species, ''Colletes hederae'' are frequently parasitized by the larvae of the meloid beetle '' Stenoria analis'', which feed on the supply of nectar and pollen prepared by females bees in their nests.


Gallery

File:Colletidae - Colletes hederae-2.JPG, Male, feeding on '' Hedera helix'' File:Ivy bees (Colletes hederae) males, mating cluster.jpg, Males in a mating cluster File:Colletes hederae-pjt.jpg, Male on the ground File:Ivy bee (Colletes hederae) male head.jpg, Male on guard


Bibliography

* Gogala, A., 1999. Bee Fauna of Slovenia: Checklist of species (Hymenoptera: Apoidea). Scopolia, 42: 1-79. * Peeters, T.M.J., I.P. Raemakers & J. Smit, 1999. Voorlopige atlas van de Nederlandse bijen (Apidae). European Invertebrate Survey Nederland, Leiden, 230 pp. * Schmidt, K., & Westrich, P. 1993. ''Colletes hederae'' n.sp., eine bisher unerkannte auf Efeu (''Hedera'') spezialisierte Bienenart (Hymenoptera: Apoidea). Entomol. Z. 103 (6) pp. 89–112. * Schwarz, M., F. Gusenleitner, P. Westrich & H. Dathe, 1996. Katalog der Bienen Österreichs, Deutschlands und der Schweiz (Hymenoptera, Apidae). Entomofauna Suppl. 8: 1-398. * Westrich, P., 2008. Flexibles Pollensammelverhalten der ansonsten streng oligolektischen Seidenbiene ''Colletes hederae'' Schmidt & Westrich (Hymenoptera: Apidae). Eucera, Heft 2: pp 17–30 * Vereecken N. J. & Mahé G., 2007. Larval aggregations of the blister beetle ''Stenoria analis'' (Schaum) (Coleoptera: Meloidae) sexually deceive patrolling males of their host, the solitary bee ''Colletes hederae'' Schmidt & Westrich (Hymenoptera: Colletidae). Annales de la Société Entomologique de France


References


External links


Biolib
*
Western honey bee The western honey bee or European honey bee (''Apis mellifera'') is the most common of the 7–12 species of honey bees worldwide. The genus name ''Apis'' is Latin for 'bee', and ''mellifera'' is the Latin for 'honey-bearing' or 'honey-carrying', ...
{{Taxonbar, from=Q451843 Colletidae Hymenoptera of Europe Insects described in 1993