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Notodontidae
Furcula furcula
Scientific classification
Kingdom:	Animalia
Phylum:	Euarthropoda
Class:	Insecta
Order:	Lepidoptera
Superfamily:	Noctuoidea
Family:	Notodontidae Stephens, 1829
Subfamilies
Biretinae Ceirinae Matsumura, 1929 Cerurinae Butler, 1881 Dicranurinae Duponchel, 1845 =Stauropinae Matsumura, 1925 =Fentoniinae Matsumura, 1929 Dioptinae Walker, 1862 =Josiidae Piepers & Snellen, 1900 Disphraginae Thiaucourt, 1995 Dudusinae Matsumura, 1929 =Tarsolepidinae Kiriakoff, 1950 Hemiceratinae Guenee, 1852 Heterocampinae Neumogen & Dyar, 1894 Notodontinae Stephens, 1829 Nystaleinae Forbes, 1948 Phalerinae Butler, 1896 Platychasmatinae Nakamura, 1956 Ptilodoninae Packard, 1864 =Ptilophorinae Matsumura, 1929 Pygaerinae Duponchel, 1854 =Melalophidae Grote, 1895 =Ichthyurinae Packard, 1895 =Spataliinae Matsumura, 1929 =Gluphisiinae Packard, 1895 Rifarginae Thiaucourt, 1995 Roseminae Forbes, 1939 Scranciinae Miller, 1991 Thaumetopoeinae Aurivillius, 1889 and see below

Notodontidae is a family of moths with approximately 3,800 known species.^[1] Moths of this family are found in all parts of the world, but they are most concentrated in tropical areas, especially in the New World (Miller, 1992). The Thaumetopoeidae (processionary moths) are sometimes included here as a subfamily.

Species of this family tend to be heavy-bodied and long-winged, the wings held folded across the back of the body at rest. They rarely display any bright colours, usually being mainly grey or brown, with the exception of the subfamily Dioptinae (Grimaldi and Engel, 2005). These features mean they rather resemble Noctuidae although the families are not closely related. The adults do not feed. Many species have a tuft of hair on the trailing edge of the forewing which protrudes upwards at rest. This gives them their scientific name "back tooth"^[2] and the common name of prominents. The common names of some other species reflect their hairiness, such as puss moth and the group commonly known as kittens (Furcula spp.), so named as they resemble small versions of the puss moth.

Life cycle

Egg

The egg is hemispherical or almost spherical, and lacks any ribs (Scoble, 1995).

Larvae

The caterpillars are usually hairless, but may have tubercules, spines, or humps (Scoble 1995), and often rest with both ends raised. The last set of prolegs is frequently vestigial, or may be long, with glands that can be everted. Some larvae undergo shape modification and colour changes with each instar (Weller, 1992). Notodontid larvae are notable for their often bizarre shapes, and some have chemical defenses (cyanic acid, formic acid, and other ketones: Blum, 1981) not commonly found in other Lepidoptera (Weller 1992). Schizura unicornis and S. badia have a mixture of formic acid, acetic acid and other compounds which they spray accurately at their attacker (Attygalle et al., 1993).

Stauropus fagi larva

The larvae of some species are truly extraordinary: That of the Puss Moth has a fearsome-looking "face" and two long whip-like "tails" (actually highly modified prolegs) and it rears both ends in a threatening display when disturbed. The larva of the Lobster Moth is even more remarkable, resembling a crustacean. Others, such as Cerura vinula
mimic the edge of a leaf that has been damaged and is turning brown (they rest and feed along the edge of the leaf).

Most are solitary feeders, but some are gregarious, and this is most common in the processionary moths, Thaumetopoeinae.

They feed on trees and shrubs, except in the subfamily Dioptinae, which feed on herbaceous plants (Miller, 1992). The larvae typically feed on only one family of trees, but closely related species will feed on distantly related plants; for example different members of the genus Datana feed on Juglandaceae, Hamamelidaceae, Ericaceae and Anacardiaceae (Miller 1992).

Adults

Adults have tympanal organs on the metathorax that opens towards the top, and the tibial spurs have serrated edges (Scoble, 1995). Mouthparts vary from well-developed to absent. The Dioptinae, which was formerly considered a separate family, are colourful and fly by day, while the rest of the notodontids are nocturnal. Some of these Dioptinae have non-functional tympanal hearing organs which are normally defensive against bats (Fullard et al., 1997).

Importance

Some notodontids cause noticeable defoliation of their hosts. Well-known defoliators include: the saddled prominent Heterocampa guttivita, poplar defoliator Clostera cupreata, California oakworm Phryganidia californica, the beech caterpillar, Quadricalcarifera punctatella, variable oakleaf caterpillar Lochmaeus manteo, Epicerura pergisea, yellownecked caterpillars Datana ministra, and walnut caterpillar Datana integerrima, among others.

Systematics

Notable species are:

• 
  Buff-tip (Phalera bucephala)


• 
  Puss moth (Cerura vinula)


• 
  Lobster moth (Stauropus fagi)


• 
  Poplar kitten (Furcula bifida)


• 
  Coxcomb prominent (Ptilodon capucina)


• 
  Rough prominent (Nadata gibbosa)

Some subfamily genera:

• 
  Dudusinae
  
  • Crinodes
  
  


• 
  Hemiceratinae
  
  • Hemiceras
  
  


• 
  Dicranurinae
  
  • Parasinga
  
  


• 
  Heterocampinae
  
  • Rifargia
  
  

Apart from the subfamilies listed in the two places above, there are numerous notodontid genera of uncertain relationships. These are:

See also

• Comparison of butterflies and moths


• 
  Thaumetopoeidae, historically treated as a subfamily within Notodontidae.


• 
  Ochrogaster, a genus of Australian processionary caterpillar.

References

Wikimedia Commons has media related to Notodontidae.

• Attygalle, AB, S. Smedley, J. Meinwald and T. Eisner. 1993. Defensive secretion of 2 notodontid caterpillars. J. Chem Ecol 19(10):2089-2104.


• Blum, M.S. 1981. Chemical Defenses of Arthropods. Academic Press, New York.


• Chinery, Michael. 1991. Collins Guide to the Insects of Britain and Western Europe 1986 (Reprinted 1991)


• Fullard, James, Jeff W. Dawson, L. Daniel Otero, Annemarie Surlykke. 1997. Bat-deafness in day-flying moths (Lepidoptera, Notodontidae, Dioptinae). Journal of Comparative Physiology A 181(5): 477-483


• Grimaldi, D, and MS Engel, 2005. Evolution of the Insects. Cambridge University Press.


• Miller, James. 1992. Host-plant association among prominent moths. BioScience 42 (1): 50-56.


• Scoble, MJ. 1995. The Lepidoptera: Form, Function and Diversity. Second ed. Oxford University Press.


• Skinner, Bernard. 1984. Colour Identification Guide to Moths of the British Isles
  


• Weller, SJ. 1992. Survey of Adult Morphology in Nystaleinae and Related Neotropical Subfamilies (Noctuoidea: Notodontidae). Journal of Research on the Lepidoptera 31(3-4):233-277.

External links

• Family Notodontidae at Lepidoptera.pro


• 
  azalea caterpillar, Datana major on the UF / IFAS Featured Creatures Web site