Crustacea: Copepoda - Cerambycoidea.com

Medetera flavipes Meigen - Reared from detritus-filled hole at end of dead branch on horse
chestnut. Southern England; also Midlothian.
Medetera freyi Thuneberg – ?RDBK. Reared from decaying aspen Populus tremula in
Inverness-shire in 1998.
Medetera impigra Collin* - Reared from larch, spruce, grey poplar, hornbeam, beech, ash
and elm - in galleries of Scolytus scolytus. Has also been reared from the fruiting body
of the wood-decay fungus Daldinia.
Medetera infumata Loew - RDBK. Reared from pine.
Medetera inspissata Collin - RDB3. Reared from various poplars, including decaying sap
under bark, in Suffolk, Cambridgeshire and Somerset; develops under bark of fallen
aspen in north-east Scotland.
Medetera jacula (Fallén)* - On sycamore, beech, birch, ash, poplar and pine.
Medetera jugalis Collin - Nationally Scarce. Poplars.
Medetera melancholica Lundbeck - RDB3. On the continent reared from pine as well as ash
and grey alder.
Medetera micacea Loew
Medetera muralis Meigen* - Adults found on oak, pine & holly.
Medetera nitida (Macquart) - Status not known. British status unclear due to past confusion
with M.bispinosa which was only resolved in 1996.
Medetera obscura (Zetterstedt) - Nationally Scarce. Has been reared from elm log debris,
and pupae under pine bark.
Medetera oscillans Allen - RDB3. Has been reared from grey poplar bark.
Medetera pallipes (Zetterstedt) - Adults reported at oozing sap of a wound on horse chestnut.
Medetera parenti Stackelberg – RDBK. Reared from bark and sappy material from grey
poplars.
Medetera petrophila Kowarz - Nationally Scarce. Reported on birch.
Medetera petrophiloides Parent* - Found on oak.
Medetera pinicola Kowarz - Nationally Scarce. Reared from bark beetle tunnels in pine
logs. Associated in N.America with various conifer scolytids including Dryocoetes
autographus.
Medetera saxatilis Collin* - Adults reported from poplar & oak.
Medetera setiventris Thuneberg – ?RDBK. Discovered in a Malaise trap in a Speyside native
pinewood in 1985. On the Continent (Finland and Russia) reared from scolytid
galleries in spruce and pine, with Hylurgops palliatus, Pityogenes chalcographus,
P.quadridens and P.bidentis.
Medetera striata Parent - Of doubtful occurrence in Britain owing to confusion with M.
fasciata.
Medetera tristis (Zetterstedt) - Reported on beech and pine deadwood.
Medetera truncorum Meigen* - A very common species in Britain, on a wide range of
broadleaved trees. Established in N.America where has been reared from Prunus bark
and dead maple.
Medetera unisetosa Collin - RDB3. Biology unknown. Only recorded from New Forest,
Wiltshire and Westerness.
Medetera veles Loew – RDBK. Scotland.
Systenus - All species have been reared from sap exudations on deciduous tree wounds or
from moist tree-hole debris; larvae predators of larvae of rot-hole dwelling
ceratopogonid midges.
Systenus bipartitus (Loew) - Nationally Scarce. Associated with a variety of broadleaves,
including elm, beech, horse chestnut and sycamore.
Systenus leucurus Loew* - Nationally Scarce. In wide range of broad-leaved trees.
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