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Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Cladus: Metapterygota
Infraclassis: Neoptera
Cladus: Eumetabola
Cladus: Endopterygota
Superordo: Panorpida
Cladus: Amphiesmenoptera
Ordo: Lepidoptera
Subordo: Glossata
Cladus: Coelolepida
Cladus: Myoglossata
Cladus: Neolepidoptera
Infraordo: Heteroneura
Cladus: Eulepidoptera
Cladus: Ditrysia
Cladus: Apoditrysia
Cladus: Obtectomera
Cladus: Macroheterocera
Superfamilia: Bombycoidea

Familia: Saturniidae
Subfamiliae (9): AgliinaeArsenurinaeCeratocampinaeCercophaninaeHemileucinaeLudiinaeOxyteninaeSalassinaeSaturniinae


Saturniidae Boisduval, 1837

Agliidae Packard, 1893
Attacidae Duponchel, 1845
Ceratocampidae Harris, 1833


D'Abrera, B., 1995: Saturniidae Mundi. Vol. I. 1-177.
D'Abrera, B., 1998: Saturniidae Mundi. Vol. III. 1-171.
D'Abrera, B., 2012: Saturniidae Mundi. Vol. II. 1-232.
Lemaire, C., 1966: Description préliminaires d’Attacidae nouveaux d’Amerique du Sud (Lep.). Bulletin de la Société entomologique de France, 71: 152–162.
Lemaire, C., 1967: Description préliminaires d’Attacidae nouveaux d’Amerique du Sud (Lep.) (suite). Bulletin de la Société entomologique de France, 71: 217–226.
Lemaire, C., 1967: Description préliminaires d’Attacidae nouveaux d’Amerique du Sud (Lep.) (suite et fin). Bulletin de la Société entomologique de France, 71: 298–304.
Lemaire, C., 1969: Description d’Attacidae nouveaux de Colombie et de Panama (Lep.). Annales de la Société entomologique de France (N.S.) 5: 73-94.
Lemaire, C., 1971: Description d’Attacidae (= Saturniidae) nouveaux d’Amerique centrale et du Sud (Lepidoptera). Tijdschrift voor Entomologie, 114: 141–162.
Lemaire, C., 1972: Description d’Attacidae nouveaux d’Amérique centrale et du Sud (Lep.). Bulletin de la Société entomologique de France, 76: 197–207.
Lemaire, C., 1972: Description d’Attacidae (= Saturniidae) nouveaux du Venezuela et du Pérou (Lep.). Bulletin de la Société entomologique de France 77: 29–41.
Lemaire, C., 1973: Attacidae nouveaux du Mexique et de l’Amerique du Sud (Lep.). Bulletin de la Société entomologique de France, 77: 228–237.
Lemaire, C., 1974: Description de trois Attacidae nouveaux de la faune néotropicale. Lambillionea, 74: 17–25.
Lemaire, C., 1974: Description de deux Attacidae néotropicaux inédits (Lepidoptera). Nouvelle Revue d’Entomologie, 2: 127–133.
Lemaire, C., 1975: Liste synonymique des Attacidae américains (Lep.). Première partie: Attacidae Blanchard, 1840. Bulletin de la Société entomologique de France, 80: 89–98.
Lemaire, C., 1975: Description de neuf Attacidae sud-américains (Lep.) (1). Lambillionea, 75: 55–61.
Lemaire, C., 1975: Description de neuf Attacidae sud-américains (Lep.) (suite et fin). Lambillionea, 75: 72–80.
Lemaire, C., 1975: Description de six Attacidae nouveaux de l’Equateur (Lep.). Lambillionea, 75bis: 52–68.
Lemaire, C., 1976: Description d’Attacidae inédits de l’Amérique latine (Lep.). Lambillionea, 76: 25–36.
Lemaire, C., 1977: Six variations géographiques inédites d’Attacidae néotropicaux (Lep.) (1). Lambillionea, 76: 72–78.
Lemaire, C., 1977: Six variations (géographiques) inédites d’Attacidae néotropicaux (Lep.) (Suite et fin). Lambillionea, 76: 94–103.
Lemaire, C., 1978: Les Attacidae Americains. The Attacidae of America (= Saturniidae). 1. Attacinae, Neuilly-sur-Seine, pp. 1-238.
Lemaire, C., 1979: Descriptions de trois Attacidae indo-australiens. Lambillionea, 78: 89–96.
Lemaire, C., 1980: Les Attacidae Americains. The Attacidae of America (= Saturniidae). 2. Arsenurinae, Neuilly-sur-Seine, pp. 1-199.
Lemaire, C., 1981: Nouveaux Attacidae andins et sud-brésiliens (Lepidoptera). Revue française d’Entomologie, (N.S.) 3: 87–93.
Lemaire, C., 1982: Trois Saturniidae inédits du Costa Rica et du Pérou (Lepidoptera). Revue française d’Entomologie, (N.S.) 4: 79–85.
Lemaire, C., 1982: Vingt-huit Saturniidae néotropicaux inédits. Annales de la Société entomologique de France, (N.S.) 18: 55–88.
Lemaire, C. & P.-C. Rougeot, 1974: Description de trois nouvelles espèces d’Attacidae africains (Lépidoptères). Annales de la Société entomologique de France, (N.S.) 10: 847–851.
Nässig, W.A., 1994: Vorläufige Anmerkungen zur Saturniiden- und Brahmaeidenfauna von Vietnam mit Neubeschreibungen (Lepidoptera). Nachrichten des Entomologischen Vereins Apollo N.F. 15 (3): 339–358.
Nässig, W.A. & C.G. Treadaway, 1998: The Saturniidae (Lepidoptera) of the Philippines. Nachrichten des Entomologischen Vereins Apollo 17: 223–424.
Pitkin, B. & P. Jenkins. Butterflies and Moths of the World: Generic Names and their Type-species. Natural History Museum.[1]

Vernacular names
беларуская: Паўлінавочкі
Deutsch: Pfauenspinner
English: Saturniid
magyar: Pávaszemek
한국어: 산누에나방과
lietuvių: Saturnijos
Nederlands: Nachtpauwogen
polski: Pawicowate
svenska: Påfågelspinnare
українська: Сатурнії, павиноочки
中文: 天蚕蛾科

Saturniidae, commonly known as saturniids, is a family of Lepidoptera with an estimated 2,300 described species.[1] The family contains some of the largest species of moths in the world. Notable members include the emperor moths, royal moths, and giant silk moths.

Adults are characterized by large, lobed wings, heavy bodies covered in hair-like scales, and reduced mouthparts. They lack a frenulum, but the hindwings overlap the forewings to produce the effect of an unbroken wing surface.[2] Saturniids are sometimes brightly colored and often have translucent eyespots or "windows" on their wings. Sexual dimorphism varies by species, but males can generally be distinguished by their larger, broader antennae. Most adults possess wingspans between 1-6 in (2.5–15 cm), but some tropical species such as the Atlas moth (Attacus atlas) may have wingspans up to 12 in (30 cm). Together with certain Noctuidae, Saturniidae contains the largest Lepidoptera and some of the largest insects alive today.

Marbled emperor moth (Heniocha dyops) in Botswana

The majority of saturniid species occur in wooded tropical or subtropical regions, with the greatest diversity in the New World tropics and Mexico,[2] though they are found all over the world. About 12 described species live in Europe, one of which, the emperor moth, occurs in the British Isles, and 68 described species live in North America, 42 of which reside north of Mexico and Southern California.
Life cycle
Life stages of giant emperor moth (Saturnia pyri)

Some saturniids are strictly univoltine, producing only one generation a year, whereas others are multivoltine, producing more than one brood a year. Spring and summer broods hatch in a matter of weeks; autumn broods enter a state known as diapause and emerge the following spring. How the pupae know when to hatch early or hibernate is not yet fully understood, though research suggests day length during the fifth larval instar plays a major role, as well as cooling temperatures. Longer days may prompt pupae to develop early, while shorter days result in pupal diapause. The number of broods is flexible, and a single female may produce both fast-developing and slow-developing individuals, or they may produce different numbers of broods in different years or parts of the range.[2] In some species, the spring and summer broods look different from each other; for example, the two Saturniinae species Actias luna (the Luna moth) and Callosamia securifera both have certain genes which may or may not be activated depending upon differences in environmental conditions.[2]
Clutch of emperor gum moth (Opodiphthera eucalypti) eggs

Depending on the moth, a single female may lay up to 200 eggs on a chosen host plant. Others are laid singly or in small groups.[3] They are round, slightly flattened, smooth and translucent or whitish.
Citheronia laocoon fifth-instar caterpillar in Brazil

Saturniid caterpillars are large (50 to 100 mm in the final instar), stout, and cylindrical. Most have tubercules that are often also spiny or hairy. Many are cryptic in coloration, with countershading or disruptive coloration to reduce detection, but some are more colorful. Some have urticating hairs.[3] A few species have been noted to produce clicking sounds with the larval mandibles when disturbed. Examples: Luna moth (Actias luna) and Polyphemus moth (Antheraea polyphemus). The clicks may serve as aposematic warning signals to a regurgitation defense.[4]

Most are solitary feeders, but some are gregarious. The Hemileucinae are gregarious when young and have stinging hairs,[2] those of Lonomia containing a poison which may kill a human. Arsenura armida is another well-known example, and are infamous for their large conspicuous masses during the day. Their coloration is not cryptic, instead exhibiting aposematism.

The other caterpillars in this size range are almost universally Sphingidae, which are seldom hairy and tend to have diagonal stripes on their sides. Many Sphingidae caterpillars bear a single curved horn on their hind end. These are actually not dangerous, but large-haired caterpillars should generally not be touched except by experts.

Most saturniid larvae feed on the foliage of trees and shrubs. A few, particularly Hemileucinae such as Automeris louisiana, A. patagonensis, and Hemileuca oliviae, feed on grasses. They moult at regular intervals, usually four to six times before entering the pupal stage. Prior to pupation, a wandering stage occurs, and the caterpillar may change color, becoming more cryptic just before this stage.[2]
Luna moth (Actias luna, Saturniinae) pupa (right) removed from cocoon (left, note last larval skin)

Most larvae spin a silken cocoon in the leaves of a preferred host plant or in leaf litter on the ground, or crevices in rocks and logs. While only moderately close relatives to the silkworm (Bombyx mori) among the Lepidoptera, the cocoons of most larger saturniids can be gathered and used to make silk fabric. However, larvae of some species – typically Ceratocampinae, like the regal moth (Citheronia regalis) and the imperial moth (Eacles imperialis), burrow and pupate in a small chamber beneath the soil. This is common in the Ceratocampinae and Hemileucinae. Unlike most silk moths, those that pupate underground do not use much silk in the construction.[2] Once enclosed in the cocoon, the caterpillar sheds the larval skin and becomes a pupa, and the pupa undergoes metamorphosis for about 14 days, at which point it either emerges or goes into diapause. During metamorphosis, respiratory systems will stay intact, the digestive system will dissolve, and reproductive organs will take form.

Adult females emerge with a complete set of mature ova and "call" males by emitting pheromones (specific "calling" times vary by species). Males can detect these chemical signals up to a mile away with help from sensitive receptors located on the tips of their feather-like antennae. The males fly several miles in one night to locate a female and mate with her; females generally will not fly until after they have mated.

Since the mouthparts of adult saturniids are vestigial and digestive tracts are absent, adults subsist on stored lipids acquired during the larval stage. As such, adult behavior is devoted almost entirely to reproduction, but the end result (due to lack of feeding) is a lifespan of a week or less once emerged from the pupa .

One specific species in the family Saturniidae with a special mating pattern is Callosamia promethea (promethea silkmoth). Females will mate with multiple males and males will mate with multiple females. Females that mate with more than one male will produce 10% more eggs.[5]
Importance to humans
Typical example of Saturniidae camouflage, Eacles imperialis (imperial moth), next to a nearly identical yellow poplar (Liriodendron tulipifera) leaf

A few species are important defoliator pests, including the orange-striped oakworm moth (Anisota senatoria) on oaks, the pandora pinemoth (Coloradia pandora) on pines and Hemileuca oliviae on range grasses.

Other species are of major commercial importance in tussah and wild silk production. These notably include the Chinese tussah moth (Antheraea pernyi), its hybridogenic descendant Antheraea × proylei, and the ailanthus silkmoth (Samia cynthia). Mopane worm (Gonimbrasia belina), Gonimbrasia zambesina, the cabbage tree emperor moth (Bunaea alcinoe), Gynanisa maia, Imbrasia epimethea, Imbrasia oyemensis, Melanocera menippe, Microgone cana, Urota sinope and the pallid emperor moth (Cirina forda).[6][7][8][9]

Some species of Saturniidae such as the mopane worm (Gonimbrasia belina) are used as a food source.[10]

Most Saturniidae are harmless animals at least as adults, and in many cases at all stages of their lives. Thus, some of the more spectacular species – in particular Antheraea – can be raised by children or school classes as educational pets. The soft, silken cocoons make an interesting keepsake for pupils.

Some, including the genus Automeris, have urticating spines which sting.

Caterpillars of the genus Lonomia produce a deadly toxin injected into the victim when it is touched.[11]
Systematics and evolution

In terms of absolute numbers of species, the Saturniidae are most diverse in the Neotropics. Also, their most ancient subfamilies occur only in the Americas. Only the very "modern" Saturniidae are widely distributed across most parts of the world. Thus, it is quite safe to assume – even in the absence of a comprehensive fossil record – that the first Saturniidae originated in the Neotropical region. Note that at least two of the subfamilies included below are commonly treated as separate families (Oxyteninae and Cercophaninae).

The following list arranges the subfamilies in the presumed phylogenetic sequence, from the most ancient to the most advanced.

Subfamily Oxyteninae (3 genera, 35 species)
Subfamily Cercophaninae (4 genera, 10 species)
Subfamily Arsenurinae (10 genera, 60 species, Neotropics)
Subfamily Ceratocampinae (27 genera, 170 species, Americas)
Subfamily Hemileucinae (51 genera, 630 species, Americas)
Subfamily Agliinae (1 genus, 3 species)
Subfamily Ludiinae (disputed) (8 genera, Africa)
Subfamily Salassinae (1 genus, 12 species, tropics)
Subfamily Saturniinae (59 genera, 480 species, tropical and temperate regions worldwide)

Giant Peacock Moth On Arum by Vincent van Gogh, 1889. A painting with Saturnia pyri, a saturniid moth, as motif.
See also

Carthaea saturnioides, the sole member of the family Carthaeidae, a close relative to the Saturniidae


van Nieukerken; et al. (2011). "Order Lepidoptera Linnaeus, 1758. In: Zhang, Z.-Q. (Ed.) Animal biodiversity: An outline of higher-level classification and survey of taxonomic richness" (PDF). Zootaxa. 3148: 212–221. doi:10.11646/zootaxa.3148.1.41.
Tuskes PM, Tuttle JP, Collins MM (1996). The Wild Silk Moths of North America: A Natural History of the Saturniidae of the United States and Canada. Pages 182-184. Cornell University Press, Ithaca, New York.
Scoble (1995)
Brown SG, Boettner GH, Yack JE (2007). "Clicking caterpillars: acoustic aposematism in Antheraea polyphemus and other Bombycoidea". The Journal of Experimental Biology. 210 (Pt 6): 993–1005. doi:10.1242/jeb.001990. PMID 17337712.
Morton, Eugene S. (2009). "The Function of Multiple Mating by Female Promethea Moths, Callosamia promethea (Drury) (Lepidoptera: Saturniidae)". The American Midland Naturalist. 162: 7–18. doi:10.1674/0003-0031-162.1.7. S2CID 85890593.
"Edible insects: future prospects for food and feed security" - van Huis et al. (2013)
"Food Insects Newsletter"
"Food Insects"
"Insects as food in Sub-Saharan Africa" - A. van Huis
Chavunduka, D.M. 1975. Insects as a source of protein to the African. Rhodesia Science News 9: 217-220. (Quoted in ch.13 DeF 2003)

Chan, Kris; Lee, Adrienne; Onell, Rodrigo; Etches, Wai; Nahirniak, Susan; Bagshaw, Sean M.; Larratt, Loree M. (July 15, 2008). "Caterpillar-induced bleeding syndrome in a returning traveller". Canadian Medical Association Journal. 179 (2): 158–161. doi:10.1503/cmaj.071844. PMC 2443214. PMID 18625988.


Latham, P. (2008) Les chenilles comestibles et leurs plantes nourricières dans la province du Bas-Congo. PDF fulltext
Latham, P. (2015) Edible Caterpillars and Their Food Plants in Bas-Congo Province, Democratic Republic of Congo. PDF fulltext
Scoble, M.J. (1995): The Lepidoptera: Form, Function and Diversity (2nd ed.). Oxford University Press.

Further reading

Burnie, David (2001). Smithsonian: Animal (1st American ed.). DK Publishing Inc., 375 Hudson St. New York, NY 10014.
Mitchell, Robert T. (2002). Butterflies and Moths: A Golden Guide From St. Martin's Press. St. Martin's Press, New York.
Racheli, L. & Racheli, T. (2006): The Saturniidae Fauna of Napo Province, Ecuador: An Overview (Lepidoptera: Saturniidae). SHILAP Revista de Lepidopterología 34 (134): 125-139. PDF fulltext (inventory of about 200 Saturniidae taxa)
Lampe, Rudolf E. J. (2010) Saturniidae of the World – Pfauenspinner der Welt Their Life Stages from the Eggs to the Adults -Ihre Entwicklungsstadien vom Ei zum Falter [English and German] ISBN 978-3-89937-084-3

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