1913] Melander — A Synopsis of the Sapromyzidae 69 



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



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



Minettia quadrilineata Loew. - 



Abdominal segments vnih many small fuscous setigerous spots; front femora 

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

 Tenn. Aldrich Minettia annulata sp. nov. 



72. Abodminal segments f asciate, their marginal setse 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 fiaveola 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 rotimdicomis 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 \'ittate 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 2.5 mm. N. H Sapromyza pvmcticeps 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; cT lamellae rounded, 



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



Sapromyza bispina Loew. 



The ventral spines slender; cf lamellte minute, short black-pilose. Neb., Mex. 

 Sapromyza tenusipina Loew. 



