Hylaeus signatus (Panzer),
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|Hylaeus signatus (Panzer)|
Medium-sized black bee (total length 7-9 mm in both sexes, wing length 4.5-5.5 mm in females and 4-6 mm in males) with roundish face and conspicuous yellowish-white face markings, without curved grooves (fovea) along eye margin; mandibles and legs black; white hair bands on lateral sides of tergite 1 (Fig. 6b).
Relatively large; male with mask not exceeding insertion point of antennae (Fig. 5 c), female face pattern with the two spots larger than in Hylaeus pictipes and more triangular in outline (Fig. 5e); Reseda specialist.
Madeira (introduced); North Africa; Eurasia, from Portugal in the West to northern Scandinavia and Uzbekistan in the East.
Distribution in the Azores.
All islands except São Jorge.
2001 (Santa Maria; H. Schaefer, unpublished data).
In existing cavities (twigs, earth, abandoned nests of other hymenoptera , etc.), sometimes in dense aggregations.
Corvo (Vila do Corvo), 04.08.2014, 1 male; Graciosa, June 2012, 3 females, 7 males on Tamarix ; Terceira (airport), 08.08.2014, 1 female, 1 male; Santa Maria, 1 female, all leg. H. Schaefer, coll. TUM (B8-B20; B45).
The COI sequence of specimen H. Schaefer B12 (TUM), acc. no. KX824778, is identical to a Hylaeus signatus sequence from Germany (KJ837965, see Fig. 2).
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