| Uniramia |
| --Hexapoda 1 (insects) |
| --Hexapoda 2 (insects) |
| --Hexapoda 3 (insects) |
| --Identification to order level |
| --Insect orders |
| ----Lepidoptera (butterflies, moths) |
| ----Ephemeroptera (mayflies) |
| ----Hemiptera (bugs, cicadas) |
| ----Hymenoptera (bees, ants, wasps & saw flies) |
| ------Bumblebees |
| ----Coleoptera (beetles) |
| ----Dictyoptera (mantids, cockroaches) |
| ----Diptera (true flies) |
| ----Neuroptera (lacewings, ant lions) |
| ----Orthoptera (crickets, locusts) |
| ----Thysanura (bristletails, silver fish) |
| ----Strepsiptera (stylops) |
| ----Thysanoptera (thrips) |
| ----Odonata (dragonflies, damselflies) |
| ----Trichoptera (caddis flies) |
| ----Siphonaptera (fleas) |
| ----Isoptera (termites) |
| ----Phasmida (stick & leaf insects) |
| ----Dermaptera (earwigs) |
| ----Anoplura/siphunculata (sucking lice) |
| ----Mallophaga (biting lice, bird lice) |
| ----Psocoptera (book, bark, dust lice) |
| ----Mecoptera (scorpion flies) |
| ----Collembola (springtail) |
| ----Embioptera (web spinners) |
| ----Plecoptera (stone flies) |
| ----Diplura (bristletails) |
| ----Protura |
| ----Zoraptera |
|


Above is Athous haemorrhoidalis, the Red-brown skipjack. The adult is 11.5 - 15.0 mm long, and is most commonly seen in the summer months in or near hedgerows, field margins, woods, bracken and meadows throughout England and Wales, it is less common in Scotland, and found in just a few places in Ireland. |
Elateriade Family
Left is a beetle belonging to the Elateridae family. These are commonly known as click beetles or skipjacks, and the larvae (right) are know as wire worms. There are 9 000 species world wide, and 65 species in Britain. They range in length from 0.2 cm - 7.0 cm.
The beetles on the left have the typical elongated body of the Elateridae, with the pointed rear end and the head almost invisible. The adults feed on pollen, nectar, flowers or leaves, and when they are alarmed they will drop to the ground and play dead. Often they land on their backs, and once they feel danger has passed with get back up on their feet with a flick of their body. It is this flick accompanied by a clicking sound that gives them their common name. Some beetles can flick themselves to quite a height, and this has become their method of escaping danger.
The larvae (right and below) are known as wire worms, they live on plant roots and cause a large amount of damage. It can take a larva five years of feeding before it is ready to pupate. The larva is elongate and cylindrical, and is usually orange or yellow in colour.

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