Females "Characters (order of importance)";"Andrena afzeliella";"Andrena ovatula" "Apical fringe of T5";"Golden (Figs 4, 9) to whitish grey, rarely brown medially (Fig. 9), but never dark brown";"Always dark brown to black medially, often lighter laterally (Fig. 10)" "Pygidial fimbria";"Mostly whitish laterally, light brown medially, sometimes entirely golden (Fig. 4), rarely brown (Fig. 9), but then with a reddish hue, not dark brown";"Dark brown medially (sometimes a few light brown hairs laterally), without reddish hue (Fig. 10)" "Apical fringe of hairs on femur, covering the base of basitibial plate";"Orange to brown orange, never dark brown (Fig. 29)";"Dark brown (Fig. 30)" "Colour of scopal hairs";"Entirely white or yellowish (Fig. 29)";"White or yellowish, but nearly always with a few dark hairs dorsally near basitibial plate (Fig. 30)" "Scutal vestiture";"Long hairs yellowish white in fresh specimens; without short, dark hairs beneath long hairs (short hairs, if present, yellowish white).";"Long hairs brownish yellow in fresh specimens; medially with dark, minute hairs beneath long hairs; this character is clearly visible in northern European populations, less so on the Iberian Peninsula." "Clypeal punctation and sculpture";"On average comparatively fine and sparse (Fig. 31), sculpture matt, although there is considerable variation in this character and the condition overlaps with that observed in A. ovatula.";"On average comparatively coarse, sculpture shiny (Fig. 32)." Size;"On average slightly smaller, body length mostly 8–9 mm, although some specimens are up to 10 mm.";"On average slightly larger, body length 9–10 mm" Males "Character (order of importance)";"Andrena afzeliella";"Andrena ovatula" "Antennal ratio";"A3 = 0.9–1.0 × A4 (Fig. 35); A5–A12 only slightly longer than broad.";"A3 = 0.8–0.9 × A4 (Fig. 36); A5–A12 visibly longer than broad." "Sculpture of disc of T3 and T4";"Shiny, punctation coarse and comparatively sparse (Fig. 33)";"Shagreened, punctation dense and shallow, punctures little visible (Fig. 34)" "Gonostylus and valve";"Gonostylus broader, external margin often straight; valve often slightly broader (Fig. 45)";"Gonostylus more slender, external margin always concave, valve often more slender (Fig. 46)" Gonocoxae;"Internal margins usually diverging apically (Fig. 45)";"Internal margins usually parallel apically (Fig. 46)" Vestiture;"Body vestiture often entirely greyish white even in fresh specimens (Fig. 33), although sometimes yellowish brown, especially in first generation";"Body vestiture yellowish brown in fresh specimens (Fig. 34)" "Width of tergal fringes";"comparatively broad (Fig. 33)";"comparatively narrow (Fig. 34)"