Trilobation

Tri`lo`ba´tion


n.1.The state of being trilobate.
References in periodicals archive ?
Member of the subfamily Erecinae characterized by: abdominal shield with undivided area I, areas I-III with pairs of spines, area V and free tergites I-III with rows of spines; palpal femur without apicomedial spines; coxa IV unarmed; penis spatula-shaped, with distal part of the trunk enlarged and penis head with a frontal trilobation.