In the British Isles the genus Conwentzia is represented by two species:
Conwentzia pineticola and Conwentzia psociformis
Both species have the following features:
To differentiate between the two species you need to examine the male genitalia. Prior to this you need to clear the abdomen to be able to view the structures clearly.
Below shows the features of the two species, the structure of the parameres and the ectoprocts viewed looking at the tip of the abdomen.
