Key to the Dufourea of Canada – Couplet 10 – Canadian Journal of Arthropod Identification

Canadian Journal of

10. a) Head longer than broad (Figure 18a) ….. 11 b) Head broader than long (Figure 18b) ….. 12

Figure 18a: D. novaeanglae (male), head longer than broad Click to Enlarge → a	Figure 18b: D. maura (male), head broader than long Click to Enlarge → b