Centris smithii Cresson

C. smithii female

Centris subgenus Centris (From The Bees of the World – Michener 2007)

Marginal cell shorter than distance from its apex to wing tip
Whipe like setae arising behind summit of eye absent, or if present, then reaching only to anterior margin of scutum.
Medium sized, to very robust
First flagellar segment often longer than the scape
Stigma (black patch by marginal cell) is very short and no wider than the prestigma measured to the wing margin (black line going to stigma)
Scopa on the hind basitarsus is extraordinarily large and dense

FEMALE (From The Bees of the World – Michener 2007)

Scutellum rounded without lobes, tubercles or separate convexities
Mandible 3 or 4 toothed, without tooth on inner surface at base of distal tooth; pygdial plat without longitudinal groove and spatulate apex
Front and mid tibiae without combs for collecting floral oil
Front basitarsus with comb on full length of anterior margin
Terga with or without metallic reflections, sometimes with transverse yellow bands
Basitibial plate with defined secondary plate with sharp projecting margins
Margins of secondary plate extending basad both anteriorly ad posteriorly
Clypeus with yellow or white inverted T or Y

MALE (From The Bees of the World – Michener 2007)

Scutellum rounded without lobes, tubercles or separate convexities
Maxillary palpus 5 or 6 segmented (4 or 5 free segments)
Hind leg of male usually not swollen
Hind basitarsus of male without spine or elevated carina
Middle basitarsus without comb for collecting oil
Pygdial plate absent or not well defined, if present lateral margins covered by pubescence and not elevated
Mandible with acetabular groove ending between proximal and subapical (median) teeth; posterior femur not swollen
Basitibial plate absent, pygidial plate absent, apical margin of T7 bilobed
Clypeus yellow with upper lateral margin black

SPECIES: (short description from:Island: Fact And Theory in Nature by James D. Lazell, book excerpts available on google books)