The Uraniidae are a
family
Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...
of
moth
Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...
s containing four
subfamilies
In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end subfamily botanical names with "-oideae", and zoologi ...
, 90 genera, and roughly 700 species. The family is distributed throughout the
tropics
The tropics are the regions of Earth surrounding the Equator. They are defined in latitude by the Tropic of Cancer in the Northern Hemisphere at N and the Tropic of Capricorn in
the Southern Hemisphere at S. The tropics are also referred to ...
of the Americas, Africa and Indo-Australia.
[Carter, David, ''Eyewitness Handbook to Butterflies and Moths'' (1992) pp. 190–191; Dorling Kindersley/New York, NY] Some of the tropical species are known for their bright, butterfly-like colors and are called sunset moths (for example ''
Chrysiridia rhipheus
''Chrysiridia rhipheus'', the Madagascan sunset moth, is a species of day-flying moth of the family Uraniidae. It is considered one of the most impressive and appealing-looking lepidopterans. Famous worldwide, it is featured in most coffee table ...
''). Such moths are apparently toxic and the bright colors are a warning to predators.
The family Uraniidae contains both
diurnal and
nocturnal
Nocturnality is an animal behavior characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal", versus diurnal meaning the opposite.
Nocturnal creatures generally have highly developed sens ...
species. The day-flying species are usually more strikingly colored and vibrant than the nocturnal ones. Many diurnal species also have
iridescent
Iridescence (also known as goniochromism) is the phenomenon of certain surfaces that appear to gradually change color as the angle of view or the angle of illumination changes. Examples of iridescence include soap bubbles, feathers, butterfl ...
scales and multiple
tail
The tail is the section at the rear end of certain kinds of animals’ bodies; in general, the term refers to a distinct, flexible appendage to the torso. It is the part of the body that corresponds roughly to the sacrum and coccyx in mammals, r ...
s, which often led them to be mistaken for butterflies. In sharp contrast, the nocturnal species are generally small, pale-colored insects. The Uraniidae are similar to the
geometer
A geometer is a mathematician whose area of study is geometry.
Some notable geometers and their main fields of work, chronologically listed, are:
1000 BCE to 1 BCE
* Baudhayana (fl. c. 800 BC) – Euclidean geometry, geometric algebra
* ...
moths, to which they are related, but a different wing veining pattern distinguishes them.
References
Further reading
*Minet, J. and Socble, M.J. (1999). The Drepanoid/Geometroid Assemblage. pp. 301–329 in Kristensen, N.P. (Ed.). ''Lepidoptera, Moths and Butterflies''. Volume 1: Evolution, Systematics, and Biogeography. Handbuch der Zoologie. Eine Naturgeschichte der Stämme des Tierreiches / Handbook of Zoology. A Natural History of the phyla of the Animal Kingdom. Band / Volume IV Arthropoda: Insecta Teilband / Part 35: 491 pp. Walter de Gruyter, Berlin, New York.
External links
*
Moth families
{{Geometroidea-stub