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Calosoma is a genus of large ground beetles that occur primarily throughout the Northern Hemisphere, and are referred to as caterpillar hunters or caterpillar searchers. Many of the 167 species are largely or entirely black, but some have bright metallic coloration. They produce a foul-smelling spray from glands near the tip of the abdomen.
The spiny caterpillars are striking in appearance, with black bodies and a line of eight reddish-orange dots running down the back (aposematic, warning coloration). The prolegs are dark red. The body is covered with short hairs and black spines and white dots. [2] The fully grown mourning cloak caterpillars attain two inches in length. [3]
T. pruni L. (73 d). Above in the male with a few anal spots, in the female an anal halfband and sometimes a discal spot brick-red. Beneath the line of white bars is very thin, and the brick-red submarginal band of the hindwing is placed between two rows of black spots, which are thinly edged with bluish white, and is sometimes continued on to the forewing.
Many species have "hairy" caterpillars that are popularly known as woolly bears or woolly worms. The scientific name Arctiinae refers to this hairiness (Gk. αρκτος = a bear). Some species within the Arctiinae have the word "tussock"' in their common names because they have been misidentified as members of the Lymantriinae subfamily based ...
Young caterpillars are black with lighter colored transverse stripes. Older larvae have two color forms. The more common form is green with yellow and white transverse stripes; the rarer form is black and banded with white and orange. In both forms, between the swollen thorax and the abdomen, there is a yellow, black, and bluish-white band.
The name Battus comes from the founder of the Greek colony of Cyrenaica, Battus I, and the species name philenor comes from the Greek word meaning ‘fond of husband’. The pipevine swallowtail also belongs to the tribe Troidini , a group of butterflies whose larvae all feed on plants of the genus Aristolochia .
Anticarsia gemmatalis is a tropical species of caterpillar and moth that migrates north each season. The species can commonly be found in the Gulf states, north as far as Wisconsin. The adults have wings that are grayish brown, crossed with brown or black zigzag lines. The caterpillars are black or green, with narrow lighter stripes on the back ...
Another reproductive strategy is to leave the eggs in the host's environment; for example, the female might lay on leaves, where the host is likely to ingest them. Some tachinids that are parasitoids of stem-boring caterpillars deposit eggs outside the host's burrow, letting the first instar larvae do the work of finding the host for themselves ...