72 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I25 



Band of white pruinosity interrupted or diffuse on anterior margin to form 

 two medially directed arms 2 



2. Postnotum with definite cluster of golden scalelike hairs on its midregion; 



band of white pruinosity about of equal width all around mesonotum. 



ethelae Dalmat 

 Postnotum bare, without scalelike hairs 3 



3. Coxa, trochanter, and femur of anterior leg tan microbranchium Dalmat 



These parts of anterior leg dark brown to black 4 



4. Arms of anterior band of white pruinosity very narrow, directed postero- 



medially; scalelike hairs of mesonotum narrow, short, almost copper- 

 colored larvispinosum De Leon 



Arms of anterior band of white pruinosity about equal in width to lateral 

 bands, widening somewhat toward their termination near the midline, con- 

 tiguous with anterior edge of mesonotum along their entire extent; scale- 

 like hairs of mesonotum wider and longer carolinae De Leon 



5. Scalelike hairs on mesonotum silvery white; Sc pilose along its basal fourth; 



calcipala not reaching pedisulcus delatorrei Dalmat 



Scalelike hairs yellow to golden; Sc pilose at most along its basal sixth; cal- 

 cipala well developed, reaching pedisulcus 6 



6. Coxa, trochanter and femur of leg i and trochanters of legs 2 and 3 tan; 



femora of legs 2 and 3 tan except for apical dark ring ; white-pruinose band 

 contiguous with anterior margin of mesonotum and of about equal width 



along its entire extent capricornis De Leon 



Coxa, trochanter, and femur of leg i as well as trochanters and femora of legs 

 2 and 3 dark brown to black; white-pruinose band curved, somewhat re- 

 moved from anterior margin of mesonotum near the midregion. 



burchi Dalmat 



SPECIES OF THE SUBGENUS LANEA, BASED ON EXTERNAL 

 CHARACTERS OF THE MALES 



1. Mesonotum orange yellow or dark reddish brown 2 



Mesonotum black 6 



2. Mesonotum dark reddish brown, with two longitudinal bands of steel-gray 



pruinosity, one on either side of the midline, each in the form of a large tri- 

 angle, the base contiguous with the anterior margin and the apex pointing 

 posteriorly ; apices of triangles extending into narrow bands which fuse with 

 steel-gray pruinosity of the prescutellar region; all segments of abdomen 

 black ; pedisulcus formed at middle of second segment of hind tarsus. 



dugesi Vargas, Martinez, and Diaz 



Mesonotum orange yellow, the pruinose bands not extending to prescutellar 



region ; segments of abdomen black and yellow ; pedisulcus situated one-third 



the distance from the base of second hind tarsal segment 3 



3. White-pruinose band on either side of midline of mesonotum curved in form 



of a comma which extends posteriorly about one-third the length of meso- 

 notum and has the convex margin facing mesially; numerous fine black 

 hairs distributed over entire mesonotum, these somewhat longer in prescutel- 

 lar region; very few, if any, scalelike hairs on mesonotum; pre-alar hair 

 cluster black, with at most one to two yellow hairs; abdominal segments 

 3-8 velvety brown to black; calcipala passing the pedisulcus. 



callidum (Dyarand Shannon) 



