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Studies on the systematics and taxonomy of the genus Hylaeus F.(9). Supplement to the taxonomy and distribution of Afrotropical Hylaeus F. species (Hymenoptera: Anthophila, Colletidae)
thickly fringed with hair; calcar obsolete; shoulder glands usually present; upper molars with a broad U-shaped longitudinal groove separating lingual and labial cusps; dental formula, i. 2/2-1, c. 1/1, pm. 2/2, m. 3/3X2= 30
LANCASHIRE SECTION. Meeting at Manchester (at the Institute), 11 th October, 1918: Mr. T. Fletcher Robinson in tho Chair. THE FUTURE OF THE COTTON CONTROL BOARD