Siphonorhinidae Cook, 1895

Wesener, Thomas, 2014, First records of the order Siphonophorida from Madagascar and Mauritius (Diplopoda), Revue suisse de Zoologie 121 (3), pp. 415-423 : 417-418

Siphonorhinidae Cook, 1895

The family Siphonorhinidae is characterized by a pyriform, subtriangular head that is not extended into a rostrum, devoid of macrosetae ( Fig. 1C ). Head with discernable mouthparts, especially mandibles ( Attems, 1938). Antennae bent between antennomeres 3 and 4, pits of sensory cones on articles 5 and 6 absent, only a field of sensilla basiconica present ( Fig. 1C ). Containing 11 species grouped in four genera ( Siphonorhinus , Illacme , Nematozonium and Kleruchus ), distributed in California, South Africa and southeastern Asia ( Jeekel, 2001).

MATERIAL EXAMINED: FMNH-INS 4000 ; 1 ♀, 1 immature; Madagascar, Province Fianarantsoa, R. S. Ivohibe , 8 km east of Ivohibe, camp II, 22.4833°S, 46.9683°E, 1200 m, montane rainforest; coll. B. L. Fisher, 15.-21.x.1997, Winkler extraction. Remarks: Colouration light brownish white. Body densely pilose with long setae. – FMNH-INS 8012 ; 1 ♀; Madagascar, Province Toliara, Réserve Naturelle Intégrale d’Andohahela , parcelle 1, 20.0 km SE Andranondambo, 24.5617°S, 46.7217°E, 1875 m, montane rainforest; coll. S. M. Goodman, 27.xi.-05.xii.1995. Remarks: Colouration whitish, densely pilose, with short setae. – FMNH-INS 8036 ; 1 immature; same data as for FMNH-INS 8012. Remarks: Probably same species as FMNH-INS 8012. – FMNH-INS 8068 ; 5 ♀; same data as for FMNH-INS 8012. Remarks: 1 ♀ with eggs. Probably same species as FMNH-INS 8012. – FMNH-INS 8125 ; 1 ♂; Madagascar, Province Fianarantsoa, 40 km S Ambalavao, Rés. Andringitra , 22.2167°S, 46.9667°E, montane rainforest; coll. B. L. Fisher, 15.x.1993, Winkler extraction. Remarks: Colouration brown, with patches of white. Densely pilose with short setae.

Figures

FIG. 1 Siphonorhinus sp., MHNG Mad 89/21, two males, A = smaller male specimen, B-D = largest male specimen, multi-layer photograph and SEM. (A) Habitus, lateral view. (B) First and second legs, anterior view. (C) Head, lateral view. (D) Posterior gonopods and leg pair 10, anterior view. Abbreviations: L1 = leg 1; L2 = leg 2; L10 = leg 10; pG = posterior gonopod (= leg 9); St = sternite fused to stigmatic plate.