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Woodlice

Tree lupins

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Glossary

anterior front end of woodlouse
copography the eating of their faeces
desiccation drying out
dorsal upper surface (back) of woodlouse
haemocyanin copper based molecule which transports oxygen in the fluid of the body cavity
haemolymph "blood" filling the body cavities. Oxygen is carried by the haemocyanin molecule
hepatopancreas digestive glands of the midgut
lateral side surface (left or right)
manca the name for young woodlice after hatching and up to the second moult. After hatching, they only have six segments in the abdomen and 6 pairs of legs. After their first moult they have seven segments and 6 pairs of legs. The 7th pair of legs don't develop until after the 2nd moult.
marsupium brood pouch
moulting shedding of the exoskeleton. Occurs in two stages, the back half is moulted first and then the front half is moulted a few days later
ommatidia simple eye - a number of these combine to form the compound eyes found in most woodlice
pereopods walking legs - there are 7 pairs attached to the thoracic segments
peroen thorax - the second and middle sectgion of the body
pleon abdomen - the third and hindmost section of the body
pleopods Five pairs of disk like covers on the underside of the abdomen. The 2 anterior pairs in Porcellio scaber contain primitive lungs (these appear as whitish patches)
posterior rear end of woodlouse
pseudotrachea air tubes or folds in the lungs to increase the surface area
uropod double projections protruding from the anterior end of the abdomen. The inner pair are called the endopods of the uropod and the outer pair are the exopods of the uropod
ventral lower surface (under side) of woodlouse
 

 

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Woodlice

Tree lupins

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