Abstract

The ventral metasomal scopa is in female megachilid bees (Megachilidae) the main morphological structure which is known to be used for transporting pollen from the flower to the nest. Here a new species of bee, Anthidium pectinatum Kasparek, sp. nov. is described from southern Syria and eastern Anatolia, in which significant pollen loads were regularly found also on the female clypeus. Pollen grains accumulated on the clypeus were mostly colourful and large; the majority was assigned to the Cardueae (Asteraceae). By contrast, pollen grains accumulated in the ventral scopa were smaller and mainly belonged to Convolvulaceae, probably within the genus Cuscuta. Possible roles of the pollen packages found on the clypeus are discussed, including the possibility that these pollen grains are used for adorning or masking the nest entrance as was observed in other bee species. http://www.zoobank.org/urn:lsid:zoobank.org:pub:5E40E9D3-BC6F-4802-840510DEA76808AD

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