PYROTA. 429 
Elytra yellow, each with two spots at the base, a median fascia, 
and the apex black . . . . . . mylabrina, Chevr. 
Elytra yellow, each with a large spot at the base and | a very . 
broad common post-median fascia black . . . . . . rugulipennis, n. sp. 
Elytra yellow, each with two spots at the base and a broad more 
or less elongate -post-median fascia, the latter not reaching 
the suture, and sometimes confluent with the humeral spot, 
black . 2... woe . ee ee we)  6postica, Lec. u 
Elytra yellow or reddish-yellow, each with a median vitta, some- 
times narrowed in front and with a spot separated from it at 
the base on the inner side, black. 
Suture pale. 
Surface vaguely suleate . 2. . 2. 2. 1. ww tenuicostatis, Duges. © 
Surface not suleate. . . . . . . + © divirgata, Vill. & Penaf. / 
Suture piceous or black, usually more bral so towards 
the base . . . . 2 ee . « . . decorata, Haag. } 
Elytra black, with the sutural, apical, and lateral margins reddish- 
yellow . 2. 1. 2. 2 ew eee ee we ew ee) tkhurstiana, Horn. 
Elytra black, with the sutural and lateral margins narrowly, an 
oblique basal stripe on the disc, and a subapical streak, yellow. insulata, Lec. 
Elytra yellow, each with two narrow black vitte . . . . . . dilineata, Horn. 
Elytra unicolorous, luteous or reddish-brown. 
Surface sulcate. 
Thorax thickly punctured. . . . . . . . . Airticollis, n. sp. 
Thorax very sparsely punctured. . . . . . . mariarum, 0. sp. 
Surface not sulcate. 
Antenne rather slender ; thorax with a black cruci- 
form mark on the disc . . . .. . . . nobilis, Haag. 
Antenne shorter, stout, the joints ovate; thorax 
with two black spots on the disc. . . . . qguadrinervata, Herr. & Mend. 
1. Pyrota terminata. (Tab. XX. fig. 1, 3.) 
_Pyrota terminata, Lec. New Sp. Col. p. 159 (1866) *; Horn, Trans. Am. Ent. Soc. xu. p. 113 (nec 
Sturm) *. 
Lytta mylabrina, Lec. Proc. Ac. Phil. vi. p. 337 °. 
Pyrota mylabrina, Horn, Trans. Am. Ent. Soc. xii. p. 112, t. 5. fig. 18 (nec Chevr.)*. 
Pyrota concinna, Casey, Ann. N. York Acad. vi. p. 174 (1891) ’. 
Hab. Nortu America, Kansas!, Colorado+, Missouri?, Western Texas °, Mexican 
boundary ?.—Mexico ¢, Villa Lerdo in Durango, Chihuahua city, Monterey in Nuevo 
Leon (Hége). 
Found in plenty by Herr Hége at Villa Lerdo. With the numerous Mexican and 
Texan examples before me I am unable to distinguish more than one species. 
The type of P. terminata has entirely black legs; in all the specimens I have seen 
