Osmia (Erythrosmia) Schmiedeknecht, 1885

Müller, Andreas, 2020, Palaearctic Osmia bees of the subgenera Hemiosmia, Tergosmia and Erythrosmia (Megachilidae, Osmiini): biology, taxonomy and key to species, Zootaxa 4778 (2), pp. 201-236 : 225

publication ID

https://doi.org/ 10.11646/zootaxa.4778.2.1

publication LSID

lsid:zoobank.org:pub:61BA688B-E383-4A4C-A9F6-D4F53E55645A

DOI

https://doi.org/10.5281/zenodo.3847102

persistent identifier

https://treatment.plazi.org/id/9341B44A-1009-A156-03E3-FA52FF75F840

treatment provided by

Plazi

scientific name

Osmia (Erythrosmia) Schmiedeknecht, 1885
status

 

Subgenus Osmia (Erythrosmia) Schmiedeknecht, 1885

Morphological diagnosis

Osmia (Erythrosmia) species are nonmetallic, robust and small to medium-sized bees (5.5–8 mm) with short-linear parapsidal lines, a medially keeled to weakly spined metanotum, which, however, is often not evident in O. sparsipuncta Alfken and smaller individuals of the other species, a dull basal area of the propodeum and almost lacking to weak whitish tergal hair bands. Except for O. (Allosmia) rutila Erichson , O. (Hoplosmia) fallax Pérez and O. (Neosmia) rufigastra Lepeletier , they are the only Palaearctic representatives of the genus Osmia with a partly or completely red metasoma ( Fig. 24 View FIGURES 24–33 ). The females are further characterized by a pollen-harvesting comb of apically twistes bristles on clypeus and frons ( Fig. 25, 26 View FIGURES 24–33 ) and a whitish metasomal scopa.Additional characters of the males are a rather small tergum 7, whose apical margin is truncated, emarginate or weakly four-lobed ( Fig. 30–33 View FIGURES 24–33 ), and a pair of broad depressions at the base of sternum 6. As in most males of Osmia , tergum 6 is devoid of a lateral tooth, sternum 2 is enlarged, sternum 3 is medially both emarginate and fringed and sternum 6 lacks membraneous basal flaps.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Megachilidae

Genus

Osmia

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