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The larvae of many species have special organs, which have a soothing or tempting effect on ants. Many Riodinidae larvae have so-called "tentacle nectary organs" on the eighth segment of the abdomen that secrete a fluid which is eaten by ants. Other tentacle organs on the third thoracic segment have been shown to emit allomones which influence ...
Miletinae is a subfamily of the family Lycaenidae of butterflies, commonly called harvesters and woolly legs, and virtually unique among butterflies in having predatory larvae. Miletinae are entirely aphytophagous (do not feed on plants).
Colias eurytheme, the orange sulphur, also known as the alfalfa butterfly and in its larval stage as the alfalfa caterpillar, is a butterfly of the family Pieridae, where it belongs to the lowland group of "clouded yellows and sulphurs" subfamily Coliadinae. It is found throughout North America from southern Canada to Mexico.
The pipevine swallowtail larva has few natural predators but there have been observed cases of other butterfly larvae feeding on swallowtail larva. Parasites can also threaten larvae, with certain fly and wasp species being the most dangerous. Birds are the greatest threat to larvae, as many species will eat them whenever they can. As a result ...
Papilio aegeus, the orchard swallowtail butterfly or large citrus butterfly is a species of butterfly from the family Papilionidae, that is found in eastern Australia and Papua New Guinea. The larvae of this species are sometimes considered a pest, due to their feeding on citrus leaves in suburban gardens.
Within this period eggs develop for seven to ten days, larva for 51–82 days, and pupa for 10 to 14 days. [2] The larvae develop through six instars . [ 3 ] Instar I lives for six or seven days, instar II for six to eight, instar III for seven to nine, instar IV for eight to twelve, instar V for nine to fifteen, and instar VI for 15–31 days.
The egg masses, larvae (caterpillars), and adults of O. lunifer all have urticating scales or hairs that are harmful to humans and other animals. Records of Bag-shelter nests and caterpillars causing adverse effects on the health of humans and livestock date back to the early 1900s [8] (as Teara contraria)].
Myrtle's silverspot (Speyeria zerene myrtleae) is a medium-sized butterfly in the brush foot family (Nymphalidae), an endangered subspecies of the zerene fritillary.It is endemic to California, where it is known from only about four locations just north of the San Francisco Bay Area, including two at Point Reyes National Seashore.