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Petrobius Maritimus, Leach, 1809Sea Bristletail
In the British Isles this species is known to be widely distributed around the coast, alongside the very similar looking species Petrobius Brevistylus.
P.maritimus typically has clearly ringed antennae seperating them from P.brevistylus which has plain antennae. In addition males of P.maritimus have un-lobed subcoxae of the 8th abdominal segment and a penis which is of equal width throughout its length.
Order Archeognatha, Family Machilidae , Genus Petrobius
Thought to be distributed around much of the British coast, except for unsuitable stretches of the East coast. Also found to some distance inland.
Typically occurs above the high water mark in loose scree, under stones, in litter or plant tussocks, and in crumbling mortar.
Studied by Dixon 1970, Davies and RIchardson 1970 and Davies 1990.