The Entomologist's record and journal of variation . ead, E. Suffolk, on the 27th June, 1965. The species has now beenrecorded from every vice-county division in Southern England except forE. Norfolk and Huntingdon. Myrmica schencki Em. A new vice-county record for Berkshire has been obtained and an old(1893, Rugby) record for Warwickshire has been confirmed. A singlecolony containing workers and males was found on the 1st August, lyoo,in the turf above a railway cutting at South Moreton, near Didcot inBerkshire. The locality is situated on the Upper Greensand some 200 feetup in the East Berks
The Entomologist's record and journal of variation . ead, E. Suffolk, on the 27th June, 1965. The species has now beenrecorded from every vice-county division in Southern England except forE. Norfolk and Huntingdon. Myrmica schencki Em. A new vice-county record for Berkshire has been obtained and an old(1893, Rugby) record for Warwickshire has been confirmed. A singlecolony containing workers and males was found on the 1st August, lyoo,in the turf above a railway cutting at South Moreton, near Didcot inBerkshire. The locality is situated on the Upper Greensand some 200 feetup in the East Berkshire Downs. A few small workers were also presenton a grassy bank below a sandstone outcrop at Edge Hill, Warwickshire,on the 5th June, 1965. Full details of the known British distribution of this scarce species havebeen supplied to Dr. F. H. Perring of the Biological Records Centre of the ANT RECORDS AND OBSERVATIONS FOR 1965 249 Natural Environment Research Council who has kindly produced the 10km. square distribution map illustrated in Figure Figure l.—10 kilometre square distribution of Myrmica schencki Em. Lasius rabaudi Bond. A dealatcd female was wandering on a heather bank at AmbershamCommon, West Sussex, on the 13th August, 1965. This is the first recordfor this vice-county division. Lasius alienus Fdrst. was also present in thesame locality. INSTITUTION DECl 250 ENTOMOLOGIST^ RECORD, VOL. 77 15/XI/65 Lasius umbratus Nyl. A winged female of this species flew into the living room of my houseat Windsor on a warm evening on the 11th August, 1365. Mating flightshave occurred here in previous years on the 1st August, 1963, and on the27th August, 1964. On the same day, 11th August, mating flights of Lasiusniger L. and Myrmica rubra L. took place all over the Windsor-Slough-Maidenhead District. In one case, males of the latter species wereapparently attempting to copulate with workers around the nest entrance. Formica sanguinea Latr. This ant was recorded by H. M. Halle
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