Key to Adetomyrma males

This male key is based on: Yoshimura, M. & Fisher, B.L. 2012. A revision of the Malagasy endemic genus Adetomyrma (Hymenoptera: Formicidae: Amblyoponinae). Zootaxa, 3341, 1-31.

You may also be interested in


 * Adetomyrma
 * Key to Adetomyrma workers

1

 * Parameres broadly overlapping dorsally, almost along the whole length of basimere (Fig 13). Posterodorsal portion of paramere with a distinct, flattened, needle-like projection, and with a deep notch separating the projection and paramere (Fig 13) . . . . . Adetomyrma bressleri


 * Parameres not or sometimes narrowly overlapping dorsally on small part of basimere (Fig 14). Posterodorsal portion of paramere without needle-like projection, or without a deep notch separating the projection and paramere (Fig 14) . . . . . 2

2
return to couplet #1
 * Posterior portion of paramere narrow, forming a blunt, needle-like projection (Fig 15). Large species (WL>2.1mm) . . . . . Adetomyrma cassis


 * Posterior portion of paramere wide, not forming a needle-like projection (Fig 16). Small to medium species (WL<2.1mm) . . . . . 3

3
return to couplet #2
 * Notaulus distinctly impressed on mesoscutum (Fig 17). Body color usually black to blackish brown, rarely brighter. Small species (WL 0.79–1.28mm) . . . . . Adetomyrma goblin


 * Notaulus not impressed on mesoscutum (Fig 18). Body color usually brown to yellow, sometimes darker. Medium to small species (WL 1.03–2.03mm) . . . . . 4

4
return to couplet #3
 * Paramere with a broad, distinct lobe posterodorsally (Fig 19). Subpetiolar process small, but distinct. Palpal formula 2,2 . . . . . Adetomyrma caudapinnigera


 * Paramere without distinct lobe posterodorsally (Fig 20). Subpetiolar process distinct or indistinct. Palpal formula usually 3,3 rarely 2,3 . . . . . 5

5
return to couplet #4
 * Lateral ocellus relatively small and distant from eye; distance between them more than 1.5x maximum diameter of lateral ocellus (Fig 21). Subpetiolar process developed, with few hairs. Body color brown . . . . . Adetomyrma caputleae


 * Lateral ocellus relatively large and close to eye; distance between them less than 1.5x maximum diameter of lateral ocellus (Fig 22). Subpetiolar process variable, but usually poorly developed and often without hairs. Body color brown to yellow . . . . . 6

6
return to couplet #5
 * Distance between lateral ocelli about same length or less than maximum diameter of mid ocellus. Distance between lateral ocellus and eye 0.5× or less than maximum diameter of lateral ocellus (Fig 23). Hairs on compound eye more than 0.33× of horizontal diameter of mid ocellus. Anterior face of mesofemur with only subdecumbent short hairs (Fig 25) . . . . . Adetomyrma clarivida


 * Either distance between lateral ocellus distinctly longer than maximum diameter of mid ocellus, or distance between lateral ocellus and eye distinctly longer than 0.5× length of maximum diameter of lateral ocellus (Fig 24), or hairs on compound eye distinctly shorter than 0.33× length of horizontal diameter of mid ocellus, or anterior face of mesofemur with short and dense long hairs (Fig 26) . . . . . 7

7
return to couplet #6
 * Hairs on compound eye longer than 0.5× length of horizontal diameter of mid ocellus (Fig 27). Subpetiolar process developed . . . . . Adetomyrma cilium


 * Hairs on compound eye shorter than 0.25× length of horizontal diameter of mid ocellus (Fig 28). Subpetiolar process not developed . . . . . 8

8
return to couplet #7
 * Body color uniform dark brown (Fig 37). Parapsidal line clearly impressed, usually highlighted with darker pigment . . . . . Adetomyrma venatrix


 * Body bicolored, head brown and the other body parts yellow (Fig 29). Parapsidal line usually unclear, sometimes weakly impressed, without pigmentation . . . . . Adetomyrma aureocuprea