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(Figs 1c,d; 2b,d)
Side of propodeum entirely densely irregularly sculptured.
Dorsum of propodeum with a pelt of fine short pubescence that is erect and weakly curved.
In addition, pubescence on the pronotum and mesonotum is more dense and more elevated than in silvestriiHNS. The propodeal dorsum in profile is longer and flatter than in any silvestriiHNS specimen examined, but the latter shows variation in the shape of the propodeum, and as only a single specimen of differensHNS is known it is impossible to tell if the sclerite also shows variation here. In differensHNS the dorsal margin of the anepisternum is distinctly concave, whereas in all known silvestriiHNS specimens it is flat to very feebly sinuate.
FIGURE 2. Asphinctopone sppHNS. dorsal and lateral view of propodeum. A, C, silvestriiHNS worker, CASENT0178222; B,D, differensHNS holotype worker CASENT0417143. Note differences in pilosity and sculpture.
Holotype worker, Central African Republic: P.N. Dzanga-Ndoki, 37.9 km. 169°S Lidjombo, 2°22'N, 16°10'E, 360 m., 21.v.2001, #4130(30), CASENT 0417143, sifted litter, rainforest (B.L. Fisher) (CASC).
The two species are obviously very closely related. We infer they are two distinct species because (1) specimens of silvestriiHNS are known from the type-locality of differensHNS and thus occur in sympatry and (2) the differences between the single specimen of differensHNS and all the observed material of silvestriiHNS are distinct for multiple non-overlapping characters
Found most commonly in these habitats: 1 times found in rainforest.
Found most commonly in these microhabitats: 1 times sifted litter (leaf mold, rotten wood).
Collected most commonly using these methods: 1 times MW 50 sample transect, 5m.
Elevations: collected at 360 m
Type specimens: Holotype: casent0417143