| Macrotrachela quadricornifera var. quadricornifera: whirling, specimen with egg. (2) |
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| Macrotrachela quadricornifera var. quadricornifera: head and upper lip. (2) |
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| Macrotrachela quadricornifera var. quadricornifera: frontal view of head and trochal discs. (1) |
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| Macrotrachela quadricornifera var. quadricornifera: left: rounded appendages on the first foot pseudosegment. Right image: spurs. (2) |
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| Macrotrachela quadricornifera var. quadricornifera: trophi, cephalic view. (2) |
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| more on Macrotrachela quadricornifera >>>> |
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| Location : Bargerveen/ Bourtang, sphagnum pond (1); Hattingen Obestüter, Grosse Kuh (2) |
| Habitat: periphyton (1); moss on apple tree (2) |
| Date: 29.11.2012 (1); 04.10.2016 (2) |
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