FIGURE 47 in A revision of Colletes Latreille (Hymenoptera: Colletidae: Colletinae) from Brazil, Paraguay and Uruguay

FIGURE 47. Lateral (A–B) and oblique (C–D) views of head. (A) Hypostomal carina (white arrow) short and flat in Colletes argentinus; (B) hypostomal carina (red arrow) produced as a tall concave lamella in C. rugicollis. (C) Paraocular area predominantly with off-white hairs in C. argentinus; (D) paraocular area predominantly with pale-yellow hairs in C. rugicollis. Scale bars = 1mm.