246 Journal New York Entomological Society, ['^'oi. xxi. 



Paramadiza washingtona new species. 



Female. — Length 2.75 mm. Shining black, thorax with sparse hair and 

 fine but long dorsocentrals. Antennje, palpi and proboscis black ; front shin- 

 ing. Tarsi brown. Halteres and calypteres yellow. Wings hyaline, with slight 

 whitish tinge, veins yellowish, their roots paler. 



One specimen, Wawawai, Washington. 



While this species superficially resembles Madiza haltcralis, it is 

 very different. 



MEONEURA Rondani. 



Shining black ; the ocellar triangle large, polished, black, the remainder of 

 the front sericeous and often red ; a single pair of cruciate bristles, 

 located near the antennas ; postverticals close together and parallel ; 

 cheeks sometimes reddish in front ; mesonotum very lightly dusted ; 

 knob of halteres white ; fourth vein very weak, the two crossveins 

 very close together, i mm. (Eur.; Alaska,* Id.,* Wash.*) {Agro- 

 mysa lacteipennis Fallen.) vagaus Fallen. 



Subfamily AGROMYZIN^. 



Table of the Genera. 



Arista completely wanting, the third antennal joint large; front shining and 

 closely hairy, no fronto-orbital bristles or oral vibrissse ; eyes large, 

 microscopically pubescent, the cheeks linear ; mesonotum close-hairy, 

 bristleless ; no sternopleurals, mesopleurae setulose ; scutelkim large, 

 triangular, with sharp edge and with two minute apical bristles ; legs 

 • without spurs or bristles; calypter rudimentary, not ciliate ; wings 

 short and broad, the costa extending to the third vein, the second 

 basal fused with the discal cell ; auxiliary vein parallel with the first 

 vein, the costa twice broken. (Europe, Africa, Australia, North 

 America.) Cryptochatiim Rondani. 



Arista present ; front rarely shining, rarely pubescent, and always with fronto- 

 orbital bristles present; vibrissse present; eyes rarely hairy, smaller, 

 the cheeks broader ; mesonotum, scutellum and pleurae provided with 

 macrochaetae ; scutellum with rovinded edge ; tibiae with apical spurs ; 

 calypteres ciliate ; wings with the second basal usually distinct from 

 the discal cell, but sometimes fused with the first basal ; the costa 



broken only at the end of the auxiliary vein 2. 



2. Ocellar triangle placed forward on the front, the front usually produced, 

 more or less cone-like, and pubescent; arista pubescent to short- 

 plumose; tibiae with preapical bristle; mesopleurae bare; wings pic- 

 tured, irrorate or fasciate. (North and South America.) 



Traginops Coquillett. 



