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117.) 3.6.50, cont. Hod Hill, Dorset, cont. Aphidius ervi large ♀︎, ant. 19. A. renominatus small ♀︎, ant 14/15 = A. cirsii Hal. Proctos. 4 (including 3 minute Platygasterinids?) Chalcids 2. Cynipids 2. 4th June 1950. Another perfect day with blazing sun from dawn to dusk & fresh SW. breeze. Picked up with car by A.A. Lisney & family at 10.15 AM. & driven via Wareham & Corfe Caitle to Studland where spent almost the entire day between the sea & the Lake known as Little Sea - on the dunes, sandy ridges & swampy slacks - the drier filled with Drosera rotundifolia & D. intermedia (= longifolia) & the wetter full of water in which much Hypericum elodes. Sweeping produced practically no small Hymenoptera & Aculeates very scarce except in one or two spots. Much helped by Lisney whose black, light, not much more efficious 118.) 4.6.1950, cont. Studland, Dorset, cont. in catching the smaller & extremely lively species. At 4.30 drove on towards the ferry across mouth of Poole Harbour & stopped at the last bend in the road - the reported locality for Odynerus herrichi (= basalis) - but none seen & no doubt too early as Dr. C.D. Day's earliest date of capture is 19th June. Walked across moor from road to shore of Brand's Bay, Poole Harbour & tried sweeping salt-marsh, & looking for Aculeates along the sandy 10 ft. "cliffs", but very little to be got. Sand-dunes & sand-flats between the sea (Studland Bay) & "Little Sea" lake 1/4 to 3/4 mile N. of road to beach just north of the Knoll House Hotel. Bethylus fuscicornis 1 small ♀︎: O.W.R. agrees! Gonatopus sepsoides Ww. fide O.W.R. ♀︎, running on sand (AAL.) Lasius niger - none kept, Formica fusca - none kept, Myrmica ruginodis 2☿☿ mounted, & M. scabrinodis examined. Tapinoma erraticum ☿☿ - 3 mounted, swept on heather, &c., near Brand's Bay. Velvet Ant ♀︎ running on sandy bank just S. of eastern end of Little Sea lake = Mutilla europea! Tachysphex unicolor √ common: 7 mounted!