Key to females of Axima noyesi species group
1 Head produced dorsolaterally into tubular process bearing eye at apex........................( noyesi species group) …2
- Head not produced dorsolaterally into tubular process, eye in normal position.......................................................................................( spinifrons species group, see key in Ashmead 1904, pp. 458–459)
2 Mesoscutum without median carina. Mesoscutellar process dorsally pointed....................................................................................................... A. diabolus (Yoshimoto & Gibson, 1979, fig. 3)
- Mesoscutum with median carina at least slightly indicated. Mesoscutellar process dorsally rounded (Fig. 2).............. 3
3 Median mesoscutal carina slightly indicated (Fig. 8), laterally flanked by rows of piliferous punctures (rounded depressions). Mt5 and Mt6 with distinct setation (Fig. 10)............................................ A. noyesi Subba Rao, 1978
- Median mesoscutal carina more distinctly raised (Fig. 7), laterally flanked by rows of piliferous foveae (subrectangular depressions). Mt5 bare, Mt6 with few scattered setae (Fig. 9)..................... A. sidi Arias-Penna, Pape & Krogmann, sp. n.