Petrobius
Encyclopedia
Petrobius is a genus of jumping bristletails (family Machilidae
). Many of these primitive insect
s are restricted to rocky shore
lines.
Machilidae
Machilidae is a family of primitive insects belonging to the order Archaeognatha . There are around 250 described species worldwide. These insects are wingless, elongated and more or less cylindrical with a distinctive humped thorax and covered with tiny, close-fitting scales. The colour is usually...
). Many of these primitive insect
Insect
Insects are a class of living creatures within the arthropods that have a chitinous exoskeleton, a three-part body , three pairs of jointed legs, compound eyes, and two antennae...
s are restricted to rocky shore
Shore
A shore or shoreline is the fringe of land at the edge of a large body of water, such as an ocean, sea, or lake. In Physical Oceanography a shore is the wider fringe that is geologically modified by the action of the body of water past and present, while the beach is at the edge of the shore,...
lines.
Species
Species include:- Petrobius adriaticus
- Petrobius artemisiae
- Petrobius brevistylis
- Petrobius calcaratus
- Petrobius crimeus
- Petrobius maritimusPetrobius maritimusPetrobius maritimus, the shore bristletail or sea bristletail, is a species of Archaeognatha found on rocky shores from the Mediterranean Sea to the North Sea ....
- Petrobius persquamosus
- Petrobius submutans
- Petrobius superior