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Key to workers and queens of Malagasy Anochetus HNS

1. Inner mandibular blade without preapical teeth and denticles (Figs 3a, 4a) .................................. 2

Inner mandibular blade with at least four preapical teeth and denticles (Figs 2a,e)............................. 4

2. Worker compound eye large,>0.15 mm long. In full face view, antennal scape extends beyond posterior margins of occipital lobe. Dorsal surface of head and mesosoma with or without numerous short setae...................... 3

Worker compound eyes small, <0.15 mm long. In full face view, antennal scape usually fail to reach, and never surpass, posterior margin of occipital lobe. Dorsal surface of head with numerous short setae (Fig. 3a)............. grandidieri HNS

3. Dorsal surface of head and mesosoma without numerous short setae (Fig. 3a). Pronotal dorsum glassy smooth. ............................. madagascarensis HNS

Dorsal surface of head and mesosoma with numerous short setae (Figs 7a,b). Pronotal dorsum with punctures anteriorly and longitudinal ridges posteriorly (Aldabra).... pattersoni HNS

4. Petiolar node as seen from front or rear with apical margin deeply concave, lateral corner forming long spine (Fig. 5a)................................ boltoni HNS

Petiolar node as seen from front or rear with apical margin rounded, or slightly flattened, the lateral corner without spine (Fig. 5b).............................. goodmani HNS

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Plazi

Source: Plazi.org

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