Key to genera of World Xoridinae (: )

by David B. Wahl [adapted from Townes (1969)]

1. Apex of mandible unidentate. Epomia unusually long and strong, usually projecting dorsally as tooth (Fig. 1). Flagellum of female curved or elbowed subapically, with one, two, or series of peglike setae at curve or elbow (Figs. 2-3)...... Latreille 1'. Apex of mandible bidentate (Fig. 4). Epomia absent or present only as low carina that never projects dorsally (Fig. 5-6). Flagellum of female not specialized subapically (as described above) (Fig. 7). ……………………………………2

2. Hind femur with strong median ventral tooth (Fig. 8)...... Gravenhorst 2'. Hind femur without median ventral tooth (Fig. 9). ……………………………………3

3. Supra-antennal area with strong median apophysis (Fig. 10). Mesosoma subcylindric (Fig. 11). Head in lateral view with length of eye = length of gena (Fig. 12)...... Ischnoceros Gravenhorst 3'. Supra-antennal area without median apophysis or tubercle (Fig. 13). Mesosoma flattened (Fig. 14). Head in lateral view with length of eye < length of gena (Fig. 15)...... Aplomerus Provancher

Figures The American Entomological Institute photograph voucher code for an individual specimen follows the species name. For example, '#0079-02' is the second photograph taken of voucher specimen 79. All specimens are in the American Entomological Institute collection unless otherwise noted.

Fig. 01 - Xorides humeralis #0079-01 Fig. 02 - Xorides humeralis #0079-02 Fig. 03 - Xorides humeralis #0079-03 Fig. 04 - Ischnoceros kirishimensis #0089-01 Fig. 05 - Ischnoceros caligatus #0086-02 Fig. 06 - Odontocolon albotibiale #0080-02 Fig. 07 - Odontocolon albotibiale #0080-01R Fig. 08 - Odontocolon albotibiale #0080-03 Fig. 09 - Aplomerus n.sp. #0084-02 Fig. 10 - Ischnoceros rusticus #0083-01 Fig. 11 - Ischnoceros caligatus #0086-01 Fig. 12 - Ischnoceros caligatus #0086-03 Fig. 13 - Aplomerus lineatulus #0085-01 Fig. 14 - Aplomerus n.sp. #0084-01 Fig. 15 - Aplomerus n.sp. #0084-03

Key and images © American Entomological Institute, following Attribution-NonCommercial 2.5 license (CC BY-NC 2.5) (link: http://creativecommons.org/licenses/by-nc/2.5/). Please cite this work as: Genera Ichneumonorum Nearcticae. 2014 (and updates). Version: 2014.09.04. http://www.amentinst.org/GIN/.