Acrochordonoposthia robusta Luther, 1963

Houben, Albrecht M., Proesmans, Willem, Bert, Wim & Artois, Tom J., 2014, Revision of Acrochordonoposthia Reisinger, 1924 (Rhabditophora, Typhloplanidae, Protoplanellinae) with the description of one new species, Zootaxa 3790 (1) : -

Acrochordonoposthia robusta Luther, 1963

( Fig 6 K)

Known literature. Acrochordonoposthia robusta Luther (1963) : 18, fig. 3I

Known distribution. Tenala, Hylta, Finland, Sphagnum -swamp in a small valley at the shore of lake Långträsk, situated in the shade of willows, found between leaves of Salix in the water ( Luther 1963).

Material. None

Remarks. This species is poorly known, as it was described from a single, disintegrating specimen ( Luther 1963). Animals over 1 mm long. The copulatory organ measures 414 µm in length and is provided with a conicalshaped pouch. The proximal part of the cirrus is weakly bent, funnel-shaped and further distally becomes straight and lined with spines.

Figures

FIGURE 6. Acrochordonoposthia reversa: (A) Habitus of live animal, (B) Organization of the male copulatory organ of a live animal, (C – F) Male copulatory organ of a whole mount (HU no. VI. 3.01). Scale bar = 10 µm, (G – J) Male copulatory organ of another whole mount (HU no. VI. 3.02); A. robusta: (K) Male copulatory organ (after Luther 1963). Scale bar = 10 µm.