asp caterpillar life cycle

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Stings from the southern flannel moth caterpillar.

The color is about the same as that of the larva, because the larval hairs are incorporated in the silk.

The head and legs are not visible from above.

Intense, throbbing pain develops immediately or within five minutes of contact with the caterpillar.

Life Cycle: The winter is spent in the cocoon or pupal stage. The adult mothhas blunt wings covered with long, wavy hair and a wingspan of 1 to 1 1/2 inches. The spines, when brushed against the skin, produce a painful rash or sting.

Other stinging caterpillars include larval stages of: the io moth, Automeris io (Fabricius) (Lepidoptera: Saturniidae); the hag moth, Phobetron pithecium (Abbot & Smith) (Limacodidae);the saddleback caterpillar, Sibine stimulea (Clemens) (Lepidoptera: Limacodidae); and the buck moth, Hemileuca maia (Drury) (Saturniidae).

Photo by Drees. This helps remove the irritating spines. The application life cycle has the following stages: 1. Southern flannel moth caterpillars are teardrop-shaped, and, with their long, silky hairs, resemble a tuft of cotton or fur.

However, many hairy or spiny caterpillars may produce a similar skin irritation, and care should be taken to avoid skin contact with them. For caterpillars with stout spines (such Io moth and saddleback caterpillar), try carefully applying cellophane tape to, and stripping it from, the sting site. Pest Status: The caterpillar is called an “asp” by Texans, although there are other caterpillars that also produce a painful skin rash from contact with venom containing spines.

Among the long body hairs are shorter spines that discharge venom upon contact.

Stings on the arm may also result in pain in the axillary (armpit) region. Their color varies from yellow or gray to reddish-brown, or a mixture of colors.

... Life cycle: Overwinters as pupae in a cocoon.
Common Name: Puss caterpillar or “asp” Scientific Name: Megalopyge opercularis (J. E. Smith) Order: Lepidoptera Description: The caterpillars grow to about 1 inch long and are furry in appearance, being completely covered by thick tan to grayish-white hairs that taper toward the back end.Among the long body hairs are shorter spines that discharge venom upon contact.

The body is adorned with clusters of stiff spines. The adult moth with a short life of 5-7 days deposit eggs on shrubs and trees with no known predilection for …

The adult moth has blunt wings covered with long, wavy hair and a wingspan of 1 to 1 1/2 inches. Hidden among the hairs are short, poisonous spines.

Their color varies from yellow or gray to reddish-brown, or a mixture of colors. Overwinters as pupae in a cocoon. For additional information, contact your local Texas A&M AgriLife Extension Service agent or search for other state Extension offices.

For allergic reactions, such as generalized itching or difficulty breathing, see a physician immediately. The io moth caterpillar is pale green with yellowish and maroon stripes edged with white along each side of the body. Description: Puss caterpillars are completely covered with long, silken, brownish hairs.

The caterpillar is the second phase in the life cycle of a butterfly. The night-active adults known as flannel moths are rarely encountered. Image: M. Merchant.

User makes a request for accessing application resource, a page. Adult moths emerge in late spring or early summer and lay eggs on host plant leaves.

The irritation may last for 1 or 2 days and may be accompanied by nausea during the first few hours. WARNING:  Do not handle caterpillars (larvae) with bare hands!! The immature stages of flannel moths are caterpillars which are clothed with fine hairs and venomous spines.

Puss caterpillar or “asp”, Megalopyge opercularis (J. E. Smith) (Lepidoptera: Megalopygidae). They grow to be about 1 inch long before pupating. Top level items in the application are compiled. Tiny whitish fuzzy larvae hatch from eggs and develop through several stages or instars between molts over a period of several weeks before they pupate. Habitat and Food Source(s): Caterpillars have chewing mouthparts. The time taken for a butterfly’s life cycle to be completed could be anything from a single month to a complete year. Adults are rarely encountered. Larvae feed on leaves of many shrubs and bushes, such as hollies.

Southern flannel moth caterpillars are teardrop-shaped, and, with their long, silky hairs, resemble a tuft of cotton or fur.
Update: 7-21-16: Here is a video of an asp. Other common stinging caterpillars in Texas include the Io moth, buck moth and saddleback moth caterpillars. Other symptoms include headaches, nausea, vomiting, lymphadenopathy, lymphadenitis, and sometimes shock or respiratory stress.

2. They are of minor importance as enemies of shade trees, but they can cause a severe sting. Eye injuries should also be referred to a specialist immediately.

Life cycle of the caterpillar The caterpillars spend the winter in cocoons attached to twigs with the puss moth (aka flannel moth) emerging in the late spring. Puss moth caterpillars rarely cause serious damage to trees; however they can pose a health hazard to children and gardeners. Adults moths can be collected at lights. These publications, and help with additional questions about asps or other pest problems, can be obtained by contacting your county Extension office. Adult puss moths emerge in late spring or early summer to lay several hundred eggs on favored host trees, such as oaks, pecan, elm, hackberry and other trees. Click for a hub of Extension resources related to the current COVID-19 situation. Life cycle: The time it takes for a caterpillar to pupate varies widely according to species. Response objects are created. In some cases, such as on school playgrounds, the best solution may be educating students and teachers on what the caterpillars are, and the importance of not touching with bare hands. Click for a hub of Extension resources related to the current COVID-19 situation. The best known flannel moth and stinging caterpillar in Texas is the southern flannel moth, or puss moth caterpillar, Megalopyge opercularis.

Adult moth of the Southern flannel moth, Megalopyge opercularis, Photo by Laura Bellmore. What are mouthparts on insects like, and how can I see them? Adults emerge in late spring or early summer and oviposit eggs on plant leaves. Adults are rarely encountered.

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