Carpet Beetle Larval Hair
The fibers with the bell-shaped termination are one of the two main types of setae on a carpet beetle.
These "hairs" are the most common and are found all over the body of the larva.
Transmitted Off Crossed Circular Polarized Light Illumination
Significance in the Environment:
Ebeling, Walter, URBAN ENTOMOLOGY, University of California Division of Agricultural Sciences, pp.310-313, 1975.