Key to Cladomyrma

This queen key is based on: Agosti, D., J. Moog, U. Maschwitz. 1999. Revision of the Oriental plant-ant genus Cladomyrma. American Museum Novitates. 3283:1-24.

This key does not include Cladomyrma scopulosa and Cladomyrma sirindhornae.

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Cladomyrma

1

• Dorsum of mesonotum without erect hairs . . . . . Cladomyrma nudidorsalis

• Dorsum of mesonotum with erect hairs . . . . . 2

2

return to couplet #1

• Whole body yellow . . . . . . . . . . 3

• Body bicolored or light to dark brown; if light brown, gaster darker than alitrunk, or tergites bicolored . . . . . 4

3

return to couplet #2

• Wide alitrunk; petiole raised, in lateral view dorsally truncated . . . . . Cladomyrma crypteroniae

• Narrow alitrunk; petiole in lateral view low and dorsally truncated . . . . . Cladomyrma andrei (part)

4

return to couplet #2

• Petiole in lateral view dorsally truncated, low, and dorsolaterally distinctly angulate . . . . . 5

• Petiole in lateral view forming an upright scale or node, dorsolaterally rounded . . . . . 9

5

return to couplet #4

• Dorsal part of katepisternum shining and without pubescence . . . . . Cladomyrma petalae

• Dorsal part of katepisternum punctuate and with pubescence . . . . . 6

6

return to couplet #5

• Head and alitrunk bright yellowish brown with distinctly darker gaster; small (AL < 2.1 mm); larger metapleural gland orifice . . . . . Cladomyrma yongi

• Head and alitrunk brown to dark brown or reddish; size variable . . . . . 7

7

return to couplet #6

• Whole body (light) brown . . . . . Cladomyrma maschwitzi

• Whole body dark brown or bicolored, generally with dorsum of alitrunk reddish brown . . . . . 8

8

return to couplet #7

• Dorsal part of katepisternum dull or at least covered with long pubescence; head short to somewhat elongate . . . . . 9

• Dorsal part of katepisternum punctulate, shining, and with a sparse pubescence with thin hairs; roundish, elongate head with genae distinctly brightest colored part of the head; generally smaller ants (AL < 2.20 mm) . . . . . Cladomyrma hobbyi

9

return to couplet #8

• Erect hairs only on dorsal parts of gastral tergites 2 and 3 along posterior margin . . . . . 10

• Erect hairs scattered all over second gastral tergite . . . . . 11

10

return to couplet #9

• None or very few short pubescent hairs on gastral tergite 2; long erect, curved hairs on gastral tergite 1; wide alitrunk, larger body . . . . . Cladomyrma aurochaetae

• Regularly, but very widely spaced pubescence on gastral tergite 2; erect hairs on gastral tergite 1 not very long and not regularly curved; narrower alitrunk; smaller . . . . . Cladomyrma maryatiae

11

return to couplet #9

• Head longer, CI < 83, parallel sided in full frontal view; gastral tergites with long erect hair at most at posterior margin of tergites . . . . . Cladomyrma hewitti

• Head shorter, CI > 82 or at least sides slightly rounded in frontal view; gastral tergite covered with long erect hair . . . . . Cladomyrma dianeae