1913] Melander — A Synopsis of the Sapromyzidae 69 



71. Abdominal segments with series of four fuscous spots; femora not with patch 



of setulae. Pa., N. J., N. H., Montreal; Mich., Tenn., Wise. Aldrich. 



Minettia quadrilineata Loew. 



Abdominal segments with many small fuscous setigerous spots; front femora 

 with a row of setulae on distal part of flexor surface. Me.*, Wash.*; Wise, 

 Tenn. Aldrich Minettia annulata sp. now 



72. Abodminal segments f asciate, their marginal setae strong 73 



Abdominal segments spotted 74 



73. Abdomen brown with hind margins of the segments and a median vitta darker; 



palpi brown. Mex Minettia vinnula Giglio-Tos. 



A basal or middle fascia on abdominal segments, basal segments more or less 

 vittate; palpi red. Cal.*, Or.*, Wash.* Minettia flaveola Coquillett. 



74. Last two or three segments of abdomen with round black spot on each side; 



1 dorsocentral, 6 acrostichals; palpi yellow. N. H., Alaska, Idaho*; Yukon 



Terr. Aldrich Sapromyza rotundicornis Loew. 



Abdomen with a median row of spots 75 



75. Abdominal segments with median spots only 76 



Last four segments of abdomen with both lateral and median spots; palpi 



yellow; mesonotum pruinose, scutellum shining. Nicaragua. 

 Sapromyza triseriata Coquillett. 



76. Mesonotum little shining; arista pubescent; wings gray hyaline, penultimate 



section of fourth vein but little more than one-half the ultimate; front narrow; 



palpi black at tip. W. Ind Sapromyza sororia Williston. 



Mesonotum polished; arista plumose; wings yellowish, penultimate section 

 of fourth vein about one-third the ultimate; face strongly convex; front broad. 

 Fla Caliope lutea Coquillett. 



77. Mesonotum entirely yellow or reddish, not vittate with darker stripes 78 



Mesonotum vittate or blackish above \ 90 



78. Scutellum with two black spots at the bristles; insect otherwise entirely luteous. 



S. Am., W. Ind Sapromyza grata Wiedemann 



Scutellum not maculate 79 



79. Scutellum black, with base brownish; pleurae with brown mark before wing; 



abdomen black; arista long-plumose. Mex Sapromyza sonax Giglio-Tos. 



Scutellum and abdomen yellow 80 



80. Face centrally marked with a velvet-black spot; front with a black ocellar spot; 



arista pubescent; notum thinly gray-pruinose, 3 dorsocentrals, 4 acrostichals; 



length 2.3 mm. N. H Sapromyza puncticeps Coquillett. 



Face not maculate 81 



81. Last ventral segment cf with lateral acute projections directed backward; 



arista short-pubescent 82 



Abdomen not with such projections 83 



82. The ventral spines very large, broad and conspicuous; a 71 lamellae rounded, 



black-pilose, (connexa Say is probably the 9) Mass. to Kans. 



Sapromyza bispina Loew. 



The ventral spines slender; o" lamella? minute, short black-pilose. Neb., Mex. 

 Sapromyza tenusipina Loew. 



