Fall Webworm Silk

This is an image of the silk from Hyphantria cunea, the Fall Web Worm. The caterpillars of this moth form tents in the branches of trees in the autumn of the year. The silk forming the tent of Hyphantia cunea varies wildly in diameter. As the caterpillar grows it forms a thicker silk.

Transmitted Crossed Circular Polarized Light

Definition/Function:

Hyphantia cunea is a nearly all white moth that is wide spread in North America, Asia, and Europe. Transmitted crossed linear polarized light allows the determination of extinction positions. The extinction position can be determined by rotating the stage.

Fall Webworm Silk

This is an image of the silk from Hyphantria cunea, the Fall Web Worm. The caterpillars of this moth form tents in the branches of trees in the autumn of the year. The silk forming the tent of Hyphantia cunea varies wildly in diameter. As the caterpillar grows it forms a thicker silk.

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