SCENOPINIDAE OF THE WORLD 209 



with shallow excavation; ninth tergite with 6 spinelike hairs and 

 much long black hair; see figure for details. 



Length: Male body 3.5 mm., wing 2 mm.; female body 4.5 mm., 

 wing 2.6 mm. 



Type-locality : Lancaster, Los Angeles Co., California ; 22 July 1957 

 (E. I. Schlinger). 



Holotype: Male (UCalD) 78. 



Allotype: Female, Kramer Hills, San Bernardino Co., California; 

 19 AprU 1959 (E. I. Schlinger) (UCalD). 



Para type: 1 cf , 5 mi. s. Lancaster, Los Angeles Co., California, 

 15 May 1956 (E. G. Linsley, J. W. MacSwain) (UCalB); 1 9, Pinto 

 Flats, imperial Co., California, 5 May 1958 (F. X. Williams) (CAS) ; 

 1 9, Ely the, California, 1 May 1955 (N. R. Richards) (CNC). 



143. Brevitrichia scitulaesca, new species 



Figure 137 



Female. — Head cream, eyes dark red-brown; postocular ridge 

 moderately wide, with a brown patch on either side; frons broad, 

 with a median groove bordered by a tan band with sparse hairs; 

 grooves from the corner of the eyes to the back of the head cut off 

 a portion nearly as wide as the ocellar tubercle; ocellar tubercle 

 black-brown, pollinose, ocelli red. Antennae all segments brown; see 

 figure for details. 



Thorax dorsum black-brown, dusted with brown pollen, an orange 

 patch over the humeral callus, lateral margins cream, and two orange 

 vittae, broader at base, extend from the lateral portions of the 

 scutellar groove to the anterior margin of the dorsum dividing the 

 dark areas into three fields; humeral and supra-alar calli white; 

 scutellum orange with a median red-brown spot continuous with 

 the median band of the dorsum. Prothorax white; mesanepisternum 

 cream, with a median red-brown patch, mesokatepisternum red- 

 brown, with a creamy dorsal band, all dusted gray pollinose. Wings 

 smoky white, veins brown; halter stem tan, knob creamy white. 

 Legs with femora red-brown, with yellow knees; tibiae tan-brown; 

 tarsi tan-brown, darkening distally. All segments pollinose. 



Abdomen segments red-brown, with broad white posterior bands; 

 eighth segment red-brown; ninth tergum with 6 stiff spines, sparse 

 hair. See figure for details. 



Male. — Unknown. 



Length: Female body 4 mm., wing 2.3 mm. 



Type-locality: 1 mi. w. Lajitas, Texas; 23-30 April 1963 (H. E. 

 Evans) in nest of digger wasp Slenostictia scitula. 



Holotype: Female (USNM) 67486. 



