title: A review of Trachusoides Michener and Griswold (Hymenoptera: Megachilidae).
abstract: The rare genus Trachusoides, previously known only from a single species inhabiting the Western Ghats of India, is reviewed. Trachusoides elsieae, new species, is described from Laos, additional records for T. simplex are documented, and a key to separate the species is provided.
authors.affiliation: USDA-ARS Bee Biology & Systematics Laboratory, Utah State University, Logan, Utah 84322-5310, USA.; Email: terry.griswold@ars.usda.gov.
authors.forename: Terry
authors.initials: T
authors.lastname: Griswold
mesh_terms: D000825:Animal Structures / Q000033:anatomy & histology / Q000254:growth & development; D000818:Animals; D001516:Bees / Q000033:anatomy & histology / Q000145:classification* / Q000254:growth & development; D049628:Body Size; D017753:Ecosystem; D005260:Female; D009929:Organ Size