TEXAN HYMENOPTERA. 221 



wings to the verge of the broadly concave posterior face, sometimes 

 this line is broken into spots ; the legs vary considerably in color, the 

 femora being sometimes black, sometimes fulvous, sometimes yellow, 

 with black stripe above, the tibias and tarsi vary from yellow to ful- 

 vous j the bands of abdomen vary much in width, in some specimens 

 being twice as broad as the others, all are slightly interrupted medi- 

 ally. Length .55 — .70 inch. 



Moiiediila foriuosa, n. sp. 



2 . — Black, with a very short white silk}' down ; face and (;lypeus silvery 

 when viewed from above; face yellowish-white, an angular yellow line im- 

 mediately before ocelli; posterior orbits gradually broader beneath, yellowish- 

 white; elypeus and labrum white; mandibles yellow, black at tips; antennie 

 black, two basal joints entirely and the third joint at base and beneath 

 lemon-yellow; prothorax bright yellow, a narrow black band on anterior mid- 

 dle; a large U-shaped mark on mesothorax, line over tegulse, posterior margin 

 of scutellum, postscutellum, the metathorax, except a large angular black line 

 on posterior face and an arcuate narrow black band at base, tubercles, pleura 

 except two black spots beneath between four anterior legs, and the tegulce an- 

 teriorly bright lemon-yellow; metathorax flattened behind, slightly concave, 

 lateral angles not prominent ; wings short, narrow, hyaline; legs pale lemon- 

 yellow, a black line on all the femora above; abdomen with a lemon-j'ellow 

 band on all the segments except the last, that on first segment broad, undulate 

 on posterior margin and deep and roundly notched on anterior middle; that 

 on second segment also broad, sometimes enclosing two transverse black spots 

 which, in one specimen, are confluent and connected with the black at base by 

 the central emargination ; those on the three following segtnents narrow and 

 biemarginate on each side of anterior middle ; apical segment with a large 

 yellow spot ; venter black, shining, with a yellow sjiot on each side of segments 

 2 — 0, those on second segment large and connected by narrow line on apical 

 margin, those on third and fourth segments also sometimes connected in same 

 way. Length .75 inch. 



%. — Clypeus and labrum pale lemon-yellow; the angular line beneath ocelli 

 connected with the yellow on the face by a slender line; second and third 

 joints of antennsB black above; prothorax with a very large black spot on an- 

 terior middle; mesothorax black with only a narrow yellow line over tegulis; 

 band on scutellum narrow, dilated laterall}' ; angular black line on metatho- 

 rax much broader, sometimes the metathorax is black, with the lateral angles 

 and a very narrow arcuate line towards base, yellow; a black line behind 

 tubercles; line on femora above and tips of tarsi blackish; bands of abdo- 

 men narrower than in J > that on first segment slightly interrupted on the 

 disk, those on remaining segments undulate posteriorly and broadly, squarely 

 and sometimes obliquely emnrginate, or biemarginate on anterior middle; 

 first ventral segment yellow, sides of second and tiiird rather broadly yellow ; 

 otherwise as in J. Length .76 inch. 



Six specimens. (Belfrage; Boll; Heiligbrodt.) In the markings 

 uf thorax the $ closely resembles those of speciosa, Cress. 



