264 MAINE) AGRICUI.TURAI, e:XPE;RIME;NT STATION. 1909. 



24. Platyura elegantula Williston. 

 1900. elegantula Williston. Biol. Centr. Amer. 1. 218. 



Female. Length 8 mm. Head yellow, the upper portion, 

 to a line just in front of the ocelli, shining black. Palpi and tip 

 of the proboscis brownish. Antennae brown, the first two joints 

 yellow ; in length equal to that of the mesonotum. Mesonotum 

 yellow, with three coalescent black stripes, of which the lateral 

 ones are abbreviated in front; just above the root of the wings 

 the more abundant black hair gives the appearance of a slender 

 black spot. Pleura yellow, the mesosternum and the lower part 

 of the metasternum brown. Metanotum brown, the sides sil- 

 very in some lights. Scutellum blackish. Abdomen brownish; 

 the anterior part of the first, third and fourth segments reddish 

 yellow ; venter almost wholly of the latter color. Coxas and 

 femora yellow; tibiae and tarsi brownish or blackish. Wings 

 strongly tinged with brownish-yellow, the distal portion clouded 

 with brownish; R2+3 a little shorter than the section of the costa 

 beyond the tip of Ri; subcostal vein strong, terminating nearly 

 opposite the origin of the radial sector; prefurca of the media 

 a little more than half the length of the first section of the radial 

 sector. Mexico, Omilteme in Guerrero 8000 feet. 



A specimen from Arizona, perhaps immature, has vertex and 

 abdomen yellowish brown ; thoracic stripes brown ; palpi and 

 scutellum yellowish ; fore metatarsus is about .95 as long as the 

 tibia; subcosta ends slightly before the base of the radial sector; 

 the subcostal crossvein is midway between the humeral crossvein 

 and the tip of the subcosta ; R2-f3 is quite oblique ; the coalesced 

 part of the media is about a third longer than the petiole. 



25. Platyura tceniata Winnertz. 

 1863. tceniata Winnertz Verb, zool.-bot. Ges. Wien. XIII. 701. 

 Male and female. Length 8 to 9 mm. Reddish; antennae, 

 front and vertex fuscous or subfuscous ; thorax with black 

 stripes ; abdomen of the male fuscous, with first segment red- 

 dish ; of the female sordidly yellowish brown, the segments 

 with fuscous posterior margins. Legs reddish, tarsi fuscous. 

 Wings cinereous, with a fuscous subapical fascia. Fore 

 metatarsus about a twelfth shorter than the tibia. Subcostal 



