Key to species of Draeculacephala (males) from Mexico

Modified from Dietrich (1994)

1 Transpleural macula absent; frontoclypeus yellow/brown with yellow or brown stripes.............................. 2

- Transpleural macula present; frontoclypeus light brown/brown with parallel dark stripes............................. 3

2(1) Venter dark brown; paraphyses in lateral view broad and curved beyond midlength of aedeagus.......... clypeata Osborn

- Venter yellow; paraphyses in lateral view slender and curved near or on midlength of aedeagus......... albipicta Dietrich

3(2) Hind femur with macrosetal formula 2+1; hind tarsomere I without paleate setae on plantar surface.................... 4

- Hind femur with macrosetal formula 2+1+1; hind tarsomere I usually with at least one paleate seta on plantar surface...... 5

4(3) Body robust; aedeagus in ventral view with posterolateral margins concave, apex without notch............. soluta Gibson

- Body slender; aedeagus in ventral view with posterolateral margins convex, apex with minute notch... quetzalcoatli sp.nov.

5(3) Aedeagus in lateral view with dorsomedial process rounded................................................... 6

- Aedeagus with dorsomedial process not rounded............................................................ 7

6(5) Aedeagal paraphyses short and stout....................................................... navicula Hamilton

- Aedeagal paraphyses elongated............................................................... mollipes (Say)

7(5) Frontoclypeus in profile distinctly sinuate or concave; abdomen brownish................. californica Davison & Frazier

- Frontoclypeus in profile convex or slightly concave; abdomen black.................................. minerva Ball