Glossary terms beginning with R

Radius

an important vein within the fore wings of insects.
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Raphidioptera

the Order Raphidioptera are primitive insects. The Order contains about 200 species and are more commonly known as Snakeflies.
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Raptorial

a phrase used to describe the grasping fore legs of some insects and other invertebrates.
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Reduviidae

cf. Assassin bug - insects in the Order Hemiptera (True bugs) that feed on the bodily fluids of other animals.

Reflex bleeding

a defensive behaviour in some insects where a noxious fluid is exuded by the insect when threatened.
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Regnum

cf. Kingdom - one of the main divisions used in the biological classification/taxonomy of organisms.

Relaxing box

a box used to relax dead insects to enable them to be set and pinned.
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Rhino beetle

cf. Rhinoceros beetle - a subfamily of Scarab beetles. Rhinoceros beetles are some of the largest of the beetles. The males have characteristic horns.

Rhinoceros beetle

a subfamily of Scarab beetles. Rhinoceros beetles are some of the largest of the beetles. The males have characteristic horns.
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Ringed worm

cf. Annelid - the annelids (animals in the phylum Annelida) are invertebrates including earthworms and leeches.

Roach

cf. Blattodea - an Order of insects that contains the cockroaches. Cockroaches are some of the most despised insects despite there being only about 25 species that are considered pests.

Robinson trap

cf. Moth trap - a device used to attract and capture moths which can then be studied.

Rose chafer

cf. Scarab - a family of beetles that have distinctively shaped antennae and are often metallic in colouration.

Rostrum

a snout-like projection from the heads of some insects.
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Royal cell

cf. Queen cell - the cell in which a queen honey bee is raised.

Royal jelly

a protein-rich substance produced by honey bees to feed to developing larvae.
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