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ALL ABOUT BUTTERFLIES!

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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

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F



FACET

A facet is one of the hexagonal units of the compound eye - the surface of a single ommatidium.

FAMILY

In classification, a family is a group of related or similar organisms. A family contains one or more genera (plural of genus). A group of similar families forms an order.

FAT BODY

A fat body stores the food energy of a butterfly or moth.


FILAMENTS

Some caterpillars have filaments (also known as tentacles) on their bodies. These fleshy appendages provide sensory information for the caterpillar. They are often mistaken for antennae. Monarch caterpillars have two pairs of filaments.

FOLIAGE

Foliage is the leaves of plants. Caterpillars eat foliage.
Food chain

FOOD CHAIN

A food chain is is the sequence of who eats whom in a biological community (an ecosystem) to obtain nutrition. A food web is all of the interactions between predators and prey in which plants and animals obtain food in an ecoystem. The chain starts with plants or other autotrophs (organisms that make their own food from light and/or chemical energy) that are eaten by herbivores (plant-eaters). The herbivores are eaten by carnivores (meat-eaters). These are eaten by other carnivores. When any organism dies, it is eaten by tiny microbes (detrivores) and the exchange of energy continues.

FOREST

Forests are dense concentrations of trees over a large area of land.

FOREST FLOOR

The forest floor is the lowest layer of a rainforest, extending from the ground to about 3 feet (1 m) high. This layer is teeming with animal life, especially insects. The largest animals in the rainforest generally live here.


FOREWINGS

Forewings are the two upper wings of flying insects, like butterflies and moths.

FOSSIL

Fossils are mineralized impressions or casts of ancient animals and plants. Fossils have been found on every continent on Earth. Butterfly fossils are rare. The earliest butterfly fossils are from the early Cretaceous period, about 130 million years ago.

FRASS

Frass is caterpillar waste, which is pellet-like. Caterpillars produce a lot of frass.

FRENULUM

A frenulum is a small spine-like lobe that projects from a moth's hindwing. This structure helps hold the hindwings and the forewings together while the moth is flying.

FRITILLARY

Fritillaries are a type of brush-footed butterflies. The front two legs of the adult are greatly reduced in size (and are covered with hair), making it appear as though these butterflies have only four legs. The caterpillars of many fritillaries are nocturnal 9most active at night) and eat on violet leaves. The pupa hangs in a head-down position. Classification: Family Nymphalidae (brush-footed butterflies), Subfamily Heliconiinae (Heliconians and Fritillaries), many genera (including Speyeria, Boloria, and Euptoieta) and speciess.
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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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