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 A HISTORY CYCLORRHAPHA (continued) PROBOSC1DEA (continued) CoRDYLURIDAB Cordylura cihata, Mg. W. Cornwall (D.) Norellia spinimana, Fin. Liskeard ; Padstow (L.) Truro; W. Cornwall (D.) Scatophaga scybalaria, L. . Cornwall (M.) ; i . Cornwall^).) Plentiful at lutaria, F. stercoraria, L. Mtllook in 1905 ; . W / abundant locally about Truro; St. Martin's and Tretco, Sally (Y.) _ squalida,Mg. ff. Cornwall (D.) _ Ktorea, Fin. L*W; JWr*w (M ; common about r/*; W. C// (D.) ; commonest species of the genus at SciUy (Y.) villipes, Ztt. /Wj/ow (L.) ; not uncommon o St. Martin's and ZV, liki of Sally, under seaweed, but found also on rhododendron leaves (Y.) PHYCODROMIDAR Orygma luctuosum, Mg. Not uncommon under sea- weed at Loot; Padstow (L.) ; Falmoutb ; St. Martin's and Tmco, Isles of Scilly (Y.) Phycodroma sciomyzina, Hal. Padstoto (L.) Coelopa pilipes, Hal. PaJ.Ua> (L.) ; Two, Sally (Y.) Fucomyia gravis, Hal. Padstoto (L.) - parvula, Hal. W. Cornwall (D.) HELOMYZIDAE Helomyza rufa, Fin. Padstow (L.) similis, Mg. Loot (A.) Eccoptomera longiseta. Padstow (L.) Blepharoptera spectabilis, Lw. "I OF CORNWALL CYCLORRHAPHA (continued) PROBOSCIDEA (continued) SCIOMYZIDAE (continued) Tetanocera data, F. Aharnun ; W. Cornwall (D.) laevifrons, Lw. Padstow (L.) _ ferruginea, Fin. E. Cornwall (M.) ; above Tre- bartha ; Bodntin robusta, Lw. E. Cornwall (M.) coryleti, Scop. E. Cornwall (M.) umbrarum, L. W. Cornwall (D.) punctulata, Scop. Padstow (L.) Limnia marginata, F. Padstoto (L.) ; St. Ives unguicornis, Scop. ~| _ rufifrons, F. V Padstow district (L.) obliterata, F. J Elgiva albiseta, Scop. Paditwj d lstr ict (L.) dorsalis, F. J '. Cornwall (D.) _ ruficauda, Ztt. ) /****" district (L.) _ cucularia, L. Sepedon sphegeus, F. spinipes, Scop. Padstow (L.) PsiLIDAE (L-) ' flavicornis, Lw., Heteromyza atricornis, Mg. W. Cornwall (D.) commixta, Coll. Padstow (L.) Tephrochlamys rufiventris, Mg. Padstow (L.) flavipes, Ztt. St. Martin's, Sally (Y.) HETERONEURIDAE Heteroneura albimana, Mg. E. Cornwall (M.) Stomphastica tigrina, Fin. W. Cornwall (D.) SCIOMYZIDAE Lucina fasciata, Mg. Found sparingly along the coast from Porthcothan to Harlyn ; very abundant in two extremely restricted spots, one at Con- stantinew& opposite the bungalow standing close to the sea, the other on Harlyn towans (Lamb) ; W. Cornwall (D.) Actora aestuum, Mg. } Padstow (L.) Oedoparea buccata, Fin. J Dryomyza flaveola, F. Padstow (L.) ; W. Cornwall (D.) Neuroctena anilis, Fin. Padstow (L.) Neottiophilum praeustum, Mg. W. Cornwall (D.) Sciomyza cinerella, Fin. Padstow (L) ; W. Cornwall (D.) - dubia, Fin. Padstow (L.) Psila fimetaria, L. pallida, Fin. , rosae, F. The carrot fly. In 1904 a large bed of carrots near Truro, intended for market, was almost entirely destroyed by the larvae of this fly. About 1 900 there were one or two bad attacks in the Penzance district. nigricornis, Mg. Padstow (L.) Loxocera albiseta, Schrk. E. Cornwall (M.) ; Pad- stow (L.) sylvatica, Mg. E. Cornwall (M.) Lissa loxocerina, Fin. W. Cornwall (D.) MlCROPEZIDAE Micropeza lateralis, Mg. w Cornwall Calobata petronella, L. J ORTALIDAE Pteropaectria nigrina, Mg. W. Cornwall (D.) palustris, Mg. Padstow (L.) oscillans, Mg. W. Cornwall (D.) _ frondescentiae, L. Middle Lynher ; Padstow (L.) Platystoma seminationis, F. W '. Cornwall (D.) Rivellia syngenesiae, " Seoptera vibrans, L. TRYPETIDAB Acidia heraclei, L. Padstow (L.) ; W. Cornwall (D.) Spilographa Zo6, Mg. Padstow (L.) Trypeta jaceae, Dsv. Padstow (L.) onotrophes, Lw. Aharnun ; St. Ives _ cornuta, F. Padstow (L.) ; W. Cornwall (D.) _ tussilaginis, F. E. Cornwall (M.) florescentiae, L. Padstow (L.) colon, Mg. W. Cornwall (D.) serratulae, L. Padstow (L.) Urophora solstitialis, L. j Pa j stgta (L.) stylata, F. j cardui, L. The galls produced by this fly are at times very conspicuous features on thistle stems Sphenella marginata, Fin. Padstow (L.) Ensina sonchi, L. Padstow (L.) ; W. Cornwall (D.) 236