| Trichocerca longiseta, species with fusiform body and two anterodorsal projections at the frontal lorica .(1). |
| |
 |
| Trichocerca longiseta, lateral view, focal plane on the red eyespot, dorsal antenna and large retrocerebral sac. (1). |
| |
 |
| Trichocerca longiseta, fusiform body.(1) |
| |
 |
| Trichocerca longiseta, species with two frontal dents: one long dent which extends up to the middle of the trunk (marked by yellow arrowheads; the other dent is marked by green arrowhead). Also visible is the red cerebral eyespot. (1) |
| |
 |
| Trichocerca longiseta, sometimes a mucilaginous thread is ejected from the foot glands, which can be seen in this image. (1) |
| |
 |
| Trichocerca longiseta, focal plane on the lateral antenna (yellow arrow). The green arrow points to the bladder. (1) |
| |
 |
| Trichocerca longiseta, the insert shows the single small paratoe (arrowhead). (1) |
| |
 |
| Trichocerca longiseta, specimen from (2). Visible is the dorsal antennna left above the red eyespot. |
| |
| |
 |
| Trichocerca longiseta, specimen from (3). Species with a large retrocerebral sac (arrow) similar to the one of Trichocerca similis. |
| |
| |
 |
| Trichocerca longiseta, has two palpar organs; one of them has a sting (arrow), maybe for opening algal cells. (3) |
| |
 |
| Trichocerca longiseta, focal plane on the retrocerebral sac and eyespot of another specimen from (4) |
| |
|
|
| Trichocerca longiseta, virgate trophi. left: from sample (3); right; from sample (4)( |
| |
| |
| |
|
|
| |
| |
| |
| Location: Wahner Heide near Cologne/ Germany, Sphagnum pond (1); NSG Heiliges Meer, Heideweiher (2) |
| Habitat: between submersed plants (1); (2) |
| Date: 13.5.2010 (1); 16.04.2011 (2) |
|
|
