240 LIST OF HOMOPTEEOUS INSECTS. 



Piceous, mostly luteous "beneath. Head above short-conical, 

 with a shallow excavation, which widens in front ; disk of the front 

 flat, with a slight middle ridjje, and with slightly elevated borders ; 

 a black band where it joins the face. Thorax with very numerous 

 testaceous points, with three testaceous dots in front, and with 

 a testaceous hind border. Fore wings with ten or twelve testaceous 

 dots, five of which form a slight oblique streak near the base. 

 Hind wings blackish. Length of the body 5 lines ; of the wings 8 

 lines. 



a. Mexico. From M. Salle's collection. 



AULACIZES LURIDESCENS. 



Foem. Picea, sithtus pallide jiava ; caput nigrum^ conicum, Jlavo 

 sexnoiatum^ lituris subtus laleralihus fiavis ; thorax maculis 

 giiatuor anticis litiirisque posterioribus Jlavis ; scutellum apice 

 Jlavum ; pectus nigra notatum ; abdomen supra lurido-rufum, 

 fascia stibtus postica nigra, vaginis albidis apice nigris ; ala 

 anticce slrigis plurimis guitisque conjiuentibus pallide Jiavis ; 

 postica lurido-vitrea. 



Female. Piceous, pale yellow beneath. Head black, conical, 

 slightly depressed above, where there are four yellow marks hind- 

 ward and two in front ; under side with the disk slightly concave, 

 and with various yellow marks on each side. Thorax with four yel- 

 low spots, forming a band in front, and some yellow marks between 

 them and the hind border ; scutellum with a pale yellow tip. 

 Pectus with some black marks on each side. Abdomen lurid-red 

 above; under side with a black band at the base of the vaginae, 

 whicb are whitish, with black tips. Fore wings with numerous 

 pale yellow streaks and confluent dots, some of the former parallel. 

 Hind wings lurid-vitreous. Length of the body 4| lines ; of the 

 wings 9 lines. 



a. Venezuela. From Mr. Birschell's collection. 



Genus DIESTOSTEMMA, Cat. Horn. 798. 



DiESTOSTEMMA NIGEOPU NCTATA. 



Tettigonia nigropunctata, Sign. Ann. Sac. Ent. Fr. ^me Ser. iii. 

 527, 325. 



Mexico. 



