Crematogaster scutellaris ^HNS (Olivier, 1791)

Figs. 88,89.

Formica scutellaris Olivier ^HNS, 1791:497.

Worker. Head shining yellowish red contrasting with the brown alitrunk and dark gaster. Antennae 11 segmented. Length: 3.5-5.0 mm. Queen. As worker, much larger. Length: 8.0-9.5 mm.

Male. Dark brown; antennae 12 segmented with very short scape. Mandibles reduced with three teeth. Length: 4.0-5.0 mm.

Biology. This arboricolous species is frequently introduced with cork from South Europe or North Africa and has on occasion established itself temporarily in and around warehouses and cork factories in England.