Photograph by Donald W. Hall, University of Florida. There is little doubt that Orgyia detrita and Orgyia definita also have many parasitoids. Photograph by Donald W. Hall, University of Florida. By Judy Gallagher, CC BY 2.0, via Wikimedia Commons. Gries R, Khaskin G, Khaskin E, Foltz JL, Schaefer PW, Gries G. 2003. 410 pp. Henn T, Weinzierl R, Koehler PG. Calliteara pudibunda L.) (Lepidoptera, Lymantriidae) is a frequent defoliator with economic significance. After hatching, the young larvae feed on the remaining egg mass and then spin a silk thread that they use to “balloon” for dispersal (Thurston 2002). Banded Tussock Moth or Pale Tiger Moth Halysidota tessellaris. 2005. Because adult females are flightless, ballooning by young larvae is the major mode of dispersal. Figure 28. Hayashi Y, Bird HT. From Contributor (separated by comma) within editors' choice. The form that occurs from South Carolina to Texas is subspecies Orgyia leucostigma leucostigma (Godfrey 1987). Associated Publishers. Photograph by Donald W. Hall, University of Florida. Size: Wingspan approximately 60mm. Figure 13. Caterpillars and Moths. larva. Identify It > Moths Section > Pale Tussock Moths >. Actually, they are brachypterous (short-winged) but cannot fly. At the head are a pair of extra long black bristles, like eyelashes, and two sets of white bristles. 930165 – 8313 Alan Chin-Lee - m. Fir Tussock Moth Orgyia detrita. Click on a photograph to view full size, or click on a scientific name to go to a species profile. Figure 27. 930164 – 8312 Marius V. Aurelian Douglas Fir Tussock Moth Orgyia pseudotsugata. 2003. The moths fly in a single generation from late Spring to early summer when they are attracted to light. Journal of Chemical Ecology 29(3): 589-601. Journal of the Lepidopterists Society 65(4): 270-272. 2011. Gainesville, Florida. 2005. Figure 3. The literature frequently describes the females as being wingless. Pale tussock moth, Calliteara pudibunda, subfamily Lymantriinae, family Erebidae. The antennae of male pupae are longer and broader than those of females and the wings of male pupae are longer than those of female pupae. Hairs in the cocoons retain their urticating capability for up to a year or longer. Photograph by Donald W. Hall, University of Florida. Photograph by Donald W. Hall, University of Florida. Figure 7. Virginian Tiger Moth or Yellow Woolybear Moth Spilosoma virginica. https://en.wikipedia.org/w/index.php?title=Lophocampa_caryae&oldid=993018582, Articles with incomplete citations from September 2016, Wikipedia articles needing page number citations from September 2016, Creative Commons Attribution-ShareAlike License, This page was last edited on 8 December 2020, at 10:35. Much of the older literature places the tussock moths in the family Liparidae and more recently in the Lymantriidae. Beneficial Insects and Mites. © ECLECTIC ELEMENTS (PWTH004.TAUPE Butterflight). Photograph by Donald W. Hall, University of Florida. Volume 17 of Arthropods of Florida and Neighboring Land Areas. Newly-hatched larvae of the fir tussock moth (Orgyia detrita). Figure 24. 2012, Atrubin & Granger 2006, Cruse et al. Gilmer (1925) conducted histological studies of the urticating setae of Orgyia leucostigma and found that each seta has a venom gland at its base. Knight HH. It is uncommon in the northern parts of its range. Caterpillars of Eastern North America. 930162 – 8310 Mark Dreiling Orgyia magna. Pale tussock moth It’s the blue jellyfish, Cyanea lamarckii, the same family as the brown lion’s mane, which is twice the size. Diagram of urticating seta and associated venom gland of whitemarked tussock moth (Orgyia leucostigma). The Pale Tussock (Dasychira pudibunda). Photograph by Donald W. Hall, University of Florida. Caterpillars reach maturity and wander in search of sites to spin their cocoons in early April in Florida. The flightless females remain on their cocoons and release a sex pheromone to attract males. Moth Perched on The Green Leaf. Orgyia leucostigma: Polyphagous. Figure 2. Photograph by Donald W. Hall, University of Florida. Pruritic welts and erythema resulting from rubbing hairs from the dorsal tussocks of the fir tussock moth (Orgyia detrita) onto the author’s forearm. Large live oak tree defoliated by fir tussock moth (Orgyia detrita) caterpillars. Hillsborough County (Florida) Health Department. 611 pp. Predators: Tussock moth larvae have various natural enemies. After mating, the females lay a mass of eggs directly on the cocoon and cover them with a protective covering. Only the three species that are found in Florida will be discussed here. Completed cocoon of fir tussock moth (Orgyia detrita). Welts resulting from contact with Orgyia hairs usually appear within minutes and subside by the next day, but itching and erythema commonly continue for another day or two. Used with permission. Orgyia detrita is univoltine (one generation per year) while the other two species are bivoltine in Florida (Foltz 2006). □ The caterpillar changes appearance as it grows. Dropping from host plants in response to predators by a polyphagous caterpillar. Hickory Tussock Caterpillar. Stripy monarch caterpillars grow to between 1” and 1.7” (2.5 – 4.5 cm) long. Journal of the American Academy of Dermatology 62(1): 13-28. [4] They feed in groups of about 100 or so in the early instars,[4] skeletonizing leaves. Definite tussock moth (Orgyia definita) caterpillar (abdomen). More. University of Florida. EPI-NOTES Disease Surveillance Newsletter. ... brighter moth. Much to the chargrin of beer lovers, the UK Pale Tussock Moth … Males having a wing length of up to 22mm, females approximately 30mm. Note purple tint on wings and white tornal spot. Pale Tussock, Halysidota Tsiaris can be found in the Eastern Half of the United States, Canadian Border and Mexico. Photograph by Lyle J. Buss, University of Florida. IFAS Extension. 670 pp. [1] In other species in this family, the caterpillars acquire chemical defenses from their host plants, so they are potentially toxic or unpalatable,[2] but despite anecdotal claims that this species may also be venomous, no venom has yet been isolated or identified; adverse reactions are characterized as contact dermatitis. The evolving global epidemiology, syndromic classification, management, and prevention of caterpillar envenoming. These moths can be distinguished by wing markings that differ from male gypsy moth. 2009) and Polistes paper wasps (Castellanos et al. They grow up to 4.5 centimeters long before pupating. Mature tussock moth (Orgyia sp.) Orgyia detrita has two common color forms in Florida, a dark form and a light form. Recently molted male fir tussock moth (Orgyia detrita) pupa (ventral view). Rash illness outbreaks at daycare facilities associated with the tussock moth caterpillar, April 2004 and April 2005. Pruritic (itching) dermatitis due to tussock moth caterpillars has been reported to be a problem at child day-care centers and elementary schools in Florida (Atrubin et al. Dasychira vagans is a medium size moth (FW length 14–20 mm in males; 21–24 mm in females). Foltz (personal communication) counted egg masses on cocoons and found that there were far less than the 50 percent that would be expected based on a 50:50 ratio of females to males obtained by laboratory rearings. - Chris Mattison The egg stage is the overwintering stage for all three species. Figure 6. Classey, Ltd. London. This moth is much commoner and more widely distributed in England than that last mentioned. 2003. Contact dermatitis in daycare facilities. Jun 9, 2015 - This photo from the TrekNature travel gallery is titled 'Pale Tussock Moth Photo'. 2003, Gries et al. The forewings are yellowish-brown marked with white splotches, reminiscent of stained glass. Giant Leopard Moth: Ecpantheria scribonia. Males are difficult to distinguish, but fresh specimens of Orgyia leucostigma and Orgyia definita have a purplish tint that is lacking in Orgyia detrita. Second instar fir tussock moth larva (Orgyia detrita). Females are larger and paler than the males. ... White-Marked Tussock Moth (Orgyia leucostigma) Size: 3.5 cm. Orgyia detrita has bright orange spots along the back and sides while the spots on leucostigma are yellow (Foltz 2004). Definita is also lighter in body color than the other two species (Foltz 2004). Photographs by Donald W. Hall, University of Florida. Heppner JB. Exclude. Size: Wingspan: ½–2¾ inches (varies with species). When settled the moths extend their hairy front legs out it front. Lepidoptera of Florida. Catalogue of the Tachinidae (Diptera) of North America north of Mexico. Figure 8. Hossler EW. The caterpillars are found between July … We quickly located the Pale Tussock Moth Caterpillar, Calliteara pudibunda, on the UK Moths website. This colourful caterpillar was bred from an egg laid by an adult female at Bletchley, Buckinghamshire. Figure 31. Cocoons & Pupae: Cocoons are constructed of silk and setae from the caterpillars. Castellanos I, Barbosa P, Caldas A. The genus name Orgyia (Greek for “the length of the outstretched arms” [Borror 1960]), is based on this pose. Krombein KV, Hurd PD, Jr., Smith DR, Burks BD. Larvae: Larvae are 1-1.5 inches in length. Tussocks of the fir tussock moth (Orgyia detrita). Older larvae are leaf-edge feeders. Figure 16. The subfamily Lymantriinae includes about 350 known genera and over 2,500 known species found in every continent except Antarctica . Photograph by Donald W. Hall, University of Florida. Palo Alto, California. Definite tussock moth (Orgyia definita) caterpillar (front view). Tussock moths in the genus Orgyia are small moths that are best-known because of their attractive larvae. Fir tussock moth (Orgyia detrita) caterpillar (light form). The venom has not been adequately characterized. Florida Journal of Environmental Health 195: 14-17. Identification Adults. Fall Webworm Moth Hyphantria cunea. Fir tussock moth (Orgyia detrita) cocoon with egg mass covered with setae from female’s abdomen. Ferguson DC. Fir tussock moth caterpillar (Orgyia detrita) exhibiting pose typical of nuclear polyhedrosis virus (Baculovirus) infection. The Giant Peacock Moth Caterpillar is a huge insect that can reach 6-8″ in size. They are now classified in the subfamily Lymantriinae in the family Erebidae (Beadle & Leckie 2012). Photograph by Donald W. Hall, University of Florida. 2009. Reset. Borror DJ. Figure 9. Figure 26. For photographs of pinned and spread specimens of males of the Lymantriinae, see Ferguson (1978). For a detailed taxonomic history and synonyms, see Ferguson (1978). Orgyia definita: Entire eastern U.S. Distribution: Found in England and Wales. Contact with the cocoons produces the same symptoms. American Journal of Tropical Medicine and Hygiene 72(3): 347-357. The parasitoid cocoons are cloaked by the silk covering (spun by the wasp larvae) beneath the parasitized caterpillar (Inset: parasitoid cocoons from under silk covering - wasps have already emerged). Figure 19. Pale Tussock Moth caterpillar on branch . Photograph by Donald W. Hall, University of Florida. Larvae primarily feed on hickory, pecan, and walnuts, but will also eat ash, elm, oak, willow, and other plants. Recently molted male fir tussock moth (Orgyia detrita) pupa (lateral view), Orgyia detrita. Detrita and U.S. populations of leucostigma have bright red heads while definita are unique because of their tan or yellow heads. Hickory Tussock Moth Caterpillar . 15 pp. [6], http://mothphotographersgroup.msstate.edu/species.php?hodges=8211, "The evolution of chemical defences and mating systems in tiger moths (Lepidoptera: Arctiidae)". In the year 2000, only 70 of 730 (9.6%) cocoons he examined had egg masses suggesting a high rate of mortality. Dermatologic Therapy 22: 353-366. 1960, Knight 1922) and clinical dermatology (Hossler 2009 & 2010 ) literature. Those infected with nuclear polyhedrosis virus typically die in a characteristic pose - hanging limp by their prolegs. Cinnabar moth caterpillar, Merseybank Estate, Manchester Most of the caterpillars stay outdoors and there were a few weeks in summer when the ragwort in the garden was taken over by cinnabar moth caterpillar. Goldman et al. In some years the larvae are very numerous and become a problem when they leave their host plants to search for suitable sites to spin their cocoons. 1925. 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