NOTES ON MEGACHILE BREVIS, Say

Cuticular lipids of female solitary bees, Osmia lignaria Say and Megachile rotundata (F.) (Hymenoptera: Megachilidae).

The cuticular lipids of the cavity-nesting adult female solitary bees, Osmia lignaria Say and Megachile rotundata (F.) (Hymenoptera: Megachilidae), were analyzed by gas chromatography (GC) and combined GC-mass spectrometry. The cuticular lipids of these female bees are mainly consisted of hydrocarbons. For O. lignaria, nearly 64% of the cuticular lipids were C(25)-C(31) mono-alkenes. For M. rot...

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A revision of the Megachile subgenus Litomegachile Mitchell with an illustrated key and description of a new species (Hymenoptera, Megachilidae, Megachilini)

The species of Megachile subgenus Litomegachile are revised with a review of the species morphology, biology, and plant associations. A new species, Megachile pankus, is described and illustrated. Megachile mendica snowi Mitchell is elevated to species. Megachile var. nupta Cresson and Megachile texana var. cleomis Cockerell are synonymized with Megachile brevis and Megachile texana, respective...

Notes on Morphology of Amnicola Limosa (say, 1817) (gastropoda: Hydrobiidae) with Comments on Status of the Subfamily Amnicolinae

A morphological description is provided for Amnicola limosa (Say) (Gastropoda: Hydrobiidae), type-species for the genus. The group consisting of Amnicola and several European genera is retained in the Amnicolinae Tryon, 1866, based on shared distinctive aspects of reproductive biology. Subfamilial affinities probably lie with Hydrobiidae: Emmericiinae and/or Bithyniidae, the only other rissoace...

Taxonomic comments on Megachile subgenus Chrysosarus (Hymenoptera: Megachilidae)

Comments on the phylogenetic relationships and taxonomy of American leafcutter bees of the genus Megachile Latreille subgenus Chrysosarus Mitchell are provided. The South American subgenera Austrosarus Raw, Stelodides Moure, and Zonomegachile Mitchell are newly synonymized under Chrysosarus (new synonymies). 1 Department of Biological Sciences, 100 Campus Drive, Southwestern Oklahoma State Univ...