Dacrysoma andasibense, Darby, Michael, 2013

Darby, Michael, 2013, Studies of Madagascan Ptiliidae (Coleoptera) 1: The Tribe Discheramocephalini including eighteen new species, Zootaxa 3718 (3), pp. 239-266 : 261-264

Dacrysoma andasibense sp. n.

(Figs.14, 52, 73, 87)

Habitus Fig. 14. Length. 0.85 mm. Colour: dusky yellow, antennae and legs paler yellow. Antennomeres 4–8 long, Fig. 52 . Pronotum 0.23 mm long, 0.31 mm wide, Fig. 73 , pubescence very long +/- one third length of pronotum, +/- 7 punctures between anterior and posterior margins. Elytra 0.55 mm long, 0.47 mm wide, more finely punctured than pronotum.

Female: spermatheca Fig. 87 .

Male: not known.

FIGURES A–B. A. Ambohitantely Special Reserve. View of the forest from base camp. B. Ranomafana National Park. The sampling site for the collections 16–18.xi.2010.

FIGURES C–D. C. Ambohitantely Special Reserve. R. Raveloson and L.S. Rahanitriniaina sifting litter. D. Extracting the sifted samples by Winkler apparatus in the hostel.

FIGURE E. Sifting in the Ankarafantsika National Park.

Etymology. This epithet refers to the Andasibe-Mantadia National Park where the holotype was collected. Remarks. the combination of the long antennae and form of the spermatheca should serve to distinguish this species from all but D.ranomafanense which is darker and has a more angled pronotum.

Type data. Holotype: ♀, Andasibe N.P. border, Asb/ Nov 2011/01, sifting leaf litter, Winkler app. extr., 29.xi.2011, L.S.Rahanitriniaina (BMNH).

Figures

FIGURES 41 – 55. Dacrysoma spp. antennomeres 3 – 11 (hairs omitted). 41, D. ranomafanense; 42, D. varium; 43, D. denticulatum; 44, D. ravelosoni; 45, D. rahanitriniainae; 46, D. dolorosum; 47, D. nigerrimum; 48, D. fabrum; 49, D. imitatum; 50, D. longulum; 51, D. subinsulsum; 52, D. andasibense; 53, D. fusum; 54, D. pilosum; 55, D. delicatum.

FIGURES 62 – 76. Dacrysoma spp. pronota. 62, D. ranomafanense; 63, D. varium; 64, D. denticulatum; 65, D. ravelosoni; 66, D. rahanitriniainae; 67, D. dolorosum; 68, D. nigerrimum; 69, D. fabrum; 70, D. imitatum; 71, D. longulum; 72, D. subinsulsum; 73, D. andasibense; 74, D. fusum; 75, D. pilosum; 76, D. delicatum.

FIGURES 77 – 89. Dacrysoma spp. spermathecae. 77, D. ranomafanense; 78, D. varium; 79, D. delicatum; 80, D. denticulatum; 81, D. rahanitriniainae; 82, 83, D. ravelosoni; 84, D. pilosum; 85, D. nigerrimum; 86, D. fabrum; 87, D. andasibense; 88, D. imitatum; 89, D. subinsulsum.