Macrotrachela quadricornifera var. quadricornifera Milne 1886
Macrotrachela quadricornifera var. quadricornifera: whirling, focal plane on the two-lobed upper lip.
Macrotrachela quadricornifera var. quadricornifera: crop of the above image
Macrotrachela quadricornifera var. quadricornifera: upper left: head with rostrum and two-lobed lamella. upper right: foot with spurs. lower images: two aspects of the rounded appendages on the first foot segment.
Macrotrachela quadricornifera var. quadricornifera: 5 additional aspects of the rostrum. Upper left showing two bundles of short motile cilia (Ci); one of several more stiff and longer bristles and some ??sensory cells (arrows)??. Upper right: focal plane on the two lobes of the rostrum lamella. The big structure (arrow) and the three smaller structures (arrowheads) might be nerve cells. Middle left: the marked structures might be either nerve axons, muscles for retracting the rostrum or the ducts of the retrocerebral organ, which, according to BEAUCHAMP, lead to the tip of the rostrum.
Macrotrachela quadricornifera var. quadricornifera: trophi, cephalic view.
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Location : Steinplatte, Waidring, Tirol, Austria
Habitat: moss
Date: 07.07. 2014
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