Triclonella pergandeella

Triclonella pergandeella, the sweetclover root borer moth, is a moth in the Cosmopterigidae family. It is found in the United States, where it has been recorded from the District of Columbia, from Arkansas to Florida, Louisiana and Texas.

The wingspan is about 14 mm. Adults have been recorded on wing from March to October.

The larvae feed on Lespedeza and Clitoria species. They tie two leaves together, forming a shelter from which feeding takes place. Full-grown larvae reach a length of about 12 mm. They have a black body with short white hairs and yellow spots and smaller dots. The head is yellow. The species overwinters as an adult.