ODONATA
GLOSSARY
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Anal
appendages
|
The 'claspers' at the tip of the males abdomen that are used for holding on to the female during copulation. |
|
Antehumeral
stripes
|
2 thoracic marks found in some species. |
| Caudal lammella | The rear appendages of larva that are use for movement and breathing. |
| Costa | The front vein, which forms the leading edge of the wing. |
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Diapause
|
A suspended state during development usually brought on in anticipation of climatic conditions. |
|
Exuvia |
Shed larval skin commonly found on reeds and rushes around highly populated ponds. |
| Frons | The uppermost part of the front of the head. |
| Labium | Other wise known as the 'mask' this structure is the extendable lower part of the larval mouth that is use to catch prey. |
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Oviposition
|
Egg laying |
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Ovipositor |
Blade-like egg laying tool |
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Prolarva
|
The stage immediately after hatching when the larva is still enclosed in a membrane. |
Pronotum
|
A hard shield-like plate that covers the prothorax. |
| Pruinescence | A waxy bloom that gives a blue colour to the abdomens of some species. |
|
|
A usually coloured cell that is found along the leading edge of wings towards the tip. |
| Stadium | The stage of development between moults. Also known as 'Instar'. |
| Teneral | A newly emerged dragonfly. |
| Vulvar scale | A prominent flap in species that lay eggs onto the waters surface. |