Phoridae. 



91 



size, hairy; middle tibiæ with only one dorsal 



bristle 8. 



8. Arista dorsal 6. Hypocera. 



— Arista apical, third antennal joint in the male long, 

 elongately bulb-shaped with a narrow apical part. . 7. Conicera. 



9. Third vein forked 10. 



— Third vein unforked 13. 



10. Frons without middle furrow and only with small 



bristles on vertex 13. Gymnophora. 



— Frons with a middle furrow and with tbree trans- 



verse rows of bristles 11. 



11. Frons vvith two supraantennal bristles directed 

 upwards and diverging; hind tibiæ simple without 



dorsal hair-seam or row of bristles 9. Beckerina. 



— Frons with four, rarely two, supraantennal bristles 

 which are proclinate; hind tibiæ with a dorsal 

 hair-seam and a posterodorsal row of bristles or 



hairs (except A. nudipes and retroversa, non Danish) 12. 



12. Posterior tibiæ with a posterodorsal row of bristles 

 or hairs, sometimes also an anterodorsal row of 

 weaker bristles; frons generally broader than high, 

 sometimes high er to somewhat higher than broad; 

 inner bristle of lower frontal row not much below 

 the outer or if so almost verticall}- below it; supra- 

 antennal bristles generally not very small, four in 

 number (rarely only two); abdomen in female 



normal 10. Aphiochaeta. 



— Posterior tibiæ always with both a posterodorsal 

 and an anterodorsal row of bristles; frons some- 

 what higher to twice as high as broad; inner bristle 

 of lower row mucb below the outer and rather near 

 the middle; supraantennal bristles generally small 

 or very small and most often only one pair; ab- 

 domen in female with the fifth segment quite or 

 mainly membraneous, the apical part ovipositor-like 



with chitinizations at apex 11. Phalacrotophora . 



13. Hind tibiæ with a dorsal hair-seam; sixth vein 



gently curved as usual 12. Pseudacteon. 



— Hind tibiæ without dorsal bair-seam; sixth vein 

 strongly and somewhat sharply curved in the 



middle 14. Metopina. 



II. Platyphorinae. 



Only one Danish genus 15. Platyphora. 



