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109. 21.9.41, cont. Slade Brook, DU., cont. Sawfly larvae. [[strikethrough]] Pteronidea (?) [[/strikethrough]] Hemichroa crocea larvae in great abundance (dozens of families) on hazel: same as taken, rarely in other places but never bred in earlier years. 1♀︎ em. 12.6.1942! 9 small ♀︎♀︎ on or about 28.7.1942. [No ♂︎♂︎!] From these Hemichroa larvae came 3 Diaborus on 4 July, 13 July & 6 Aug. 1942! A.W.S. [[marginalia]] From the pots containing the larvae of Hem. crocea emerged the following August (1942) 2♂︎♂︎, 3♀︎♀︎ of Mesoleius = cf. M. frigidus Holmgr. In one of those pots on 21.8.42 a ♂︎ Adelura apii Curtis also found, though what it was doing there I cannot say! A.W.S. [[/marginalia]] Pteronidea (?) larvae on Salix aurita, green, spotted. Pteronidea (?) 3 large spotted larvae on birch (last of family?) From one of these larvae a ♀︎ Polyblastus carbonarius emerged 19.5.1942 & was carrying 3 larvae when first seen! Cimbex √ One huge - spun up in cocoon 1.10.1941 from which a ♀︎ C. femorata em. on 21st May 1943! A.W.S.; another smaller larvae on birch, with dark line down back. [[marginalia]] Sleeved on birch in garden, alone, until 26.5.43 when killed. AWS. [[/marginalia]] Trichiosoma (?) one large all green larvae on birch. Both had spun up by 19th Oct. 41, so branch cut off tree & with sleeve put under bench in motor house. (These last 3 larvae brought home & sleeved out on birch in garden!) The other larvae on birch & some of those on Salix & Hazel also brought home. Also brought & gave to MSD Westropp the following larvae off birch:- Notodonta camelina 2 larvae N. dictacoides 5 or 6 larvae N. ziczac 1 on birch, though usually on Salix! N. dromedarius All 4 species occurred on 1 birch tree with the large Cimbex. 110. 24th Sept. 1941. The third very hot & fine day, nearly all sunny in afternoon with Southerly breeze at Clondalkin but Easterly in Dublin - a very soft day, with barometer down each day since 21st but no rain. In afternoon rode to Clondalkin & spent a couple of hours collecting along side of canal about 3/4 mile above Clondalkin bridge & 1/2 mile above locks, just above entrance to farm on S. of canal, as before. Most insects swept along parallel drain in shelter of hedge & all W. of gate to farm. Clondalkin, Co. DU. [27 insects mounted & these labelled 2.2.44! AWS.] [No Ichs of vol.I or vol.III seen] Cryptinae: about half a dozen only taken, including Atractodes tenebricosus; Phygadeuon small black ♀︎, superficially very like Dicaelotus pumilus but exserted terebra. Hemiteles ♀︎, ant. 22. Microcryptus? ♀︎ ant. 25. Mesoleius ♂︎, smaller, ant. 32. M. ♂︎, larger, ant. 36. Promethes cognatus 1♀︎: the only Bassid seen! Cteniscus aurifluus 4, both ♂︎ & ♀︎. Polyblastus red sp., black hind femora, 1♂︎: not kept.