The following is a reprint from
Parasitic Bees of the Genus Holcopasites Ashmead (Hymenoptera: Apoidea) by paul D. Hurd, Jr. and E. Gorton Linsley from Smitsonian Contributions to Zoology # 114
SERIAL PUBLICATIONS OF THE SMITHSONIAN INSTITUTION>br>
by: Hurd and Linsley
Geographic range: - Southwest United States (Arizona and adjacent northwestern Mexico (Sinaloa and Sonora) >br>
Hosts: - Unknown.
FEMALE.Head and thorax black, metasoma red, except apically where darkened to largely or entirely black on terminal two or three segments; antennae, mandibles, tegulae, and legs very dark mahogany brown; calcaria dark reddish brown. Vestiturc of body chiefly white, not abundant, chiefly appressed and forming patches on face about antennal insertions, dorsolateral angles of pronotum, hind tibiae and metasoma; elsewhere pubescence sparse, chiefly dark and dorsal surfaces of head, thorax, and metasoma not clothed with golden or reddish golden pubescence. Wings feebly violaceous, fuscous beyond closed cells. Length 5-8 mm. Eyes densely clothed with short, erect pubescence; face above antennae closely and coaresly punctate, neither bigibbosely swollen nor largely im-punctate; antennae with first flagellar segment much shorter than combined length of succeeding two segŽments; anterior and lateral ocelli separated by nearly twice their diameters; intcrocellardistance greater than ocellorbital distance; rear angle of mandible situated well behind middle of eye; labrum longitudinally car-inate medially, without a thornlike tubercle near base, very densely punctate on basal half, without impunctate or shiny areas basally; ventral surface of head rather closely punctate, without impunctate areas adjacent to hypostomal carinae. Mesoscutum distinctly punctured; scutellum weakly indented mediŽally on posterior dorsal surface, not prominently bilobed, although posterior surface strongly elevated and truncated; metanotum produced posterolaterally into prominent posteriorly projected shelflikc procŽesses; mesepisternum distinctly punctured, interŽspaces shining, without a patch of white pubescence
MALE.Similar to female in coloration of integuŽment and vestiture. Length 4 mm. Eyes as densely hairy as in female; face as in female; antennae with first flagelar segment nearly equaling combined length of succeeding two segments; ocelli and rear angle of mandible situated as in female; labrum as in female; ventral surface of head very densely and closely puncŽtate throughout. Mesoscutum, scutellum, metanotum, mesepisternum, and wings as in female; tegulae very nearly punctate throughout. Metasomal tergum I basŽally with a small transverse band of pale pubescence on either side of middle, tergum II basally with a thin transverse Dand of white pubescence on either side of middle, and terga 111-VI without basal bands of pale pubescence; apical margin of terga IV and V with complete bands of white pubescence; basin of metaŽsoma sharply defined, impunctate; apical margin of sixth metasomal tergum feebly bisinuate in outline, without a median triangular projection; seventh metaŽsomal tergum with lateral margins, as seen from above, nearly right angled on either side of pygidial plate; pygidial plate about twice as long as maximum basal width, broadly liguliform in outline.
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