EASTERN TENT CATERPILLARS


Setae at the tip of the body of the eastern tent caterpillar.

IMAGES COURTESY JANICE S. EDGERLY-ROOKS

Setae surrounding the eyes of the eastern tent caterpillar.
Scanning electron micrograph of the integument of the abdomen of an eastern tent caterpillar showing the small, microtubules that cover much of the outer surface of the caterpillar and the much larger setal hairs that arise from the socket cells.

This is a section of pig colon on low magnification showing several microgranulomas in the submucosa.

IMAGES COURTESY DR. NEIL WILLIAMS

This is a higher magnification showing a structure consistent with a setae in the center of a granuloma.
This is a section of a caterpillar demonstrating the microscopic appearance of the setae.