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Enchanted Learning
ALL ABOUT BUTTERFLIES!

Butterfly Calendar
What is a Butterfly? Life Cycle Butterfly Anatomy Information Sheets Glossary Printables and Activities

Butterfly Glossary
A B C D E F G H I J K L M N O P Q R S T U V W X-Z

Click on an underlined word for more information on that subject.

O

oak tiger butterfly

OAK TIGER BUTTERFLY

The oak tiger butterfly, also called the banded orange butterfly (Dryadula phaetusa) is an orange and black butterfly found from Northern Mexico to Brazil. The undersides of the wings have brown and tan stripes. Classification: Family Nymphalidae, Genus Dryadula, Species D. phaetusa.


OBTECT PUPA

An obtect pupa is a pupa whose legs are held closely to the body and are unable to move. A butterfly chrysalis is an obtect pupa.
caterpillar head

OCELLUS

(plural ocelli) Ocelli (also called stemma, pl. stemmata) are small, simple eyes that insects have. They are composed of photoreceptors (light-sensitive cells) and pigments. Ocelli are usually located on the larva's head or between an adult insect's two compound eyes. Moths have a pair of ocelli.

OMNIVORE

Omnivores are animals that eat both animals and plants. People are omnivores.


OMMATIDIUM

(plural omnitidia) The ommatidia are the parts of an insect's compound eye which receive light from a small part of the insect's field of vision. Each ommatidium is a cylindrical unit composed of a hexagonal lens-cornea and crystalline cone (which receive the light and focus it) plus a rhabdome (which is stimulated by light and sends signals to the optic nerve to the brain).


ORANGEDOG BUTTERFLY

The orangedog butterfly, also called the giant swallowtail butterfly (Papilio cresphontes) is a large black and yellow butterfly with a yellow body. Eggs are tiny, yellow and circular. The caterpillar, which looks a bit like a small, black, white, and brown snake, is considered a pest (because it eats many agricultural species, including orange tree leaves). The chrysalis is brown. This butterfly lives in much of North America. Classification: Family Papilionidae (swallowtail butterflies), Genus Papilio, Species P. cresphontes.


ORANGE SULPHUR BUTTERFLY

(Colias eurytheme) The Orange Sulphur Butterfly is a common and widespread North American butterfly. It has a wingspan of 1 3/8 to 2 3/4 inches (3.5 - 7 cm). The male is yellow with orange, yellow veins, black edges, and a dark black spot. The female is yellow or white with a thin black border surrounding cream spots. Caterpillars eat plants from the pea family, including alfalfa, white clover, and white sweet clover. Adults drink nectar from dandelions, milkweeds, goldenrods, and asters. This butterfly was named by Boisduval in 1862. Classification: Family Pieridae (Whites and Sulphurs), Subfamily Coliadinae (Sulphurs)

ORDER

In classification, an order is a group of related or similar organisms. An order contains one or more families. A group of similar orders forms a class. Butterflies and moths belong to the Order Lepidoptera.


OREGON SILVERSPOT BUTTERFLY

Speyeria zerene hippolyta is a brown and orange butterfly that lives in humid coastal salt-spray meadows and fields from Northern California to Washington. This butterfly is a threatened species due to loss of habitat and the decline of its host plant (the plant the caterpillar eats), the Early Blue Violet (Viola adunca). Adults eat yarrow, Canadian goldenrod, and Douglas aster. Females can lay over 200 cream to pink eggs (60 percent hatch), usually under the violet plant. Classification: Family Nymphalidae

OSMETERIUM

An osmeterium is an orange, y-shaped gland on the neck of some caterpillars. This gland gives off a strong, unpleasant odor when the caterpillar is threatened, keeping away dangerous wasps and flies that try to lay eggs in the caterpillar. Many swallowtails have an osmeterium.

OUTCROPPING

An outcropping is a place where the bedrock (the underlying rock) is exposed on the Earth's surface.

OVERWINTERING

Overwintering (also called hibernation) is a condition in which an animal is dormant for period of time. Some butterflies and moths overwinter during cold weather.


OVIPAROUS

Oviparous animals hatch from eggs. Butterflies and moths are oviparous. Butterflies usually lay their eggs on leaves of the plant that the larva (caterpillar) will eat.

OVIPOSITOR

An ovipositor is a an organ at the end of the female's abdomen through which she deposits her eggs.


OWL BUTTERFLY

Owl butterflies (genus Caligo) are large, brown, tan and black butterflies from tropical areas. The lower underside of each wing of these butterflies has a large eye-shaped marking, making the butterfly look like the face of an owl when it is at rest. These markings probably scares away many predators. The forewings of many owl butterfly species are iridescent. The two front legs of this butterfly are very small. Classification: Family Brassolidae, Genus Caligo, many species.
Zoom Butterfly
Butterfly Glossary
A B C D E F G H I J K L M N O P Q R S T U V W X-Z

Click on an underlined word for more information on that subject.
If the butterfly term you are looking for is not in the dictionary, please e-mail us.


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