. The Entomologist's record and journal of variation. oridae) from Norfolk By R. H. L. Disney* Among some scuttle flies collected by J. W. Ismay in Norfolk is a new species of Megaselia Rondani which is described below, and named after the collector. Megaselia ismayi $. Frons broader than high at eye-margin (: 1) anddark brown to black in colour and with scattered hairs. Lowersupra-antennals slightly closer than upper pair ( as opposed to mm.) and measuring mm. inlength; and are thus shorter than the upper SAs, whichmeasure mm. The upper SAs closer together
. The Entomologist's record and journal of variation. oridae) from Norfolk By R. H. L. Disney* Among some scuttle flies collected by J. W. Ismay in Norfolk is a new species of Megaselia Rondani which is described below, and named after the collector. Megaselia ismayi $. Frons broader than high at eye-margin (: 1) anddark brown to black in colour and with scattered hairs. Lowersupra-antennals slightly closer than upper pair ( as opposed to mm.) and measuring mm. inlength; and are thus shorter than the upper SAs, whichmeasure mm. The upper SAs closer together than pre-ocellars, which are mm. apart. Antials are mm. fromupper SAs but only mm. from anterolaterals, whichare situated higher on the frons about mm. from the eyemargin. Antennae with third segment a slightly pointed hemi-sphere, whose greatest diameter is mm., and blackish incolour. Palps dusky yellow with four robust bristles, thelongest measuring mm. Labella lobes with pre-apical,dorso-lateral, brown Fig. 1. Megaselia ismayi male terminalia viewed from left side(Scale line= mm.).Thorax brown laterally but black on top. Mesopleuronwith four delicate hairs. Scutellum with a pair of long bristlesand an anterior pair of small hairs. Haltere with stem andknob black. *Malham Tarn Field Centre, Settle, North Yorkshire, BD24 9PU. A NEW SPECIES OF MEGASELIA RONDANI 171
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