122 HEMIPTERA, 



than half the length of the body of the insect, and rather spa- 

 ringly covered with slender spines. Tarsi three-jointed. 



1. ECTINOPUS holomelas. PI. II. fig. 5. 



Cydnus holomelas, Burm. Handb. ii. 375. 7 (1835). 

 a. Columbia. From M. Goudot's Collection. 



Genus 6. ACATALECTUS, n. g. 



Head semicircular in front, central lobe reaching the anterior 

 margin. Ocelli large. Antennae scarcely so long as the head 

 and thorax, of four joints ; basal joint short, not reaching the 

 anterior margin of the head ; second very long, as long or longer 

 than the third and fourth together, gradually increasing in thick- 

 ness towards the apex ; third and fourth joints about equal in 

 length, ovate, as thick as the apex of the second. Rostrum of 

 four joints, second joint thickest, third longest, first and fourth 

 about equal, shorter than the second. Body ovate, somewhat 

 depressed. Thorax transverse. Scutellum rather long, trian- 

 gular, pointed, with the lateral margins nearly straight. Coria- 

 ceous portion of the elytra longer than the membrane. Legs 

 rather long and moderately stout ; anterior tibiae spinous on both 

 margins. Tarsi of three joints, second small. 



1 . ACATALECTUS rugosus, n. s. PL II. fig. 6. 



A. capite, thorace, scutello, corpore subtus pedibusque nigris; 



thorace scutelloque rugoso-punctatis ; elytris nigro-pieeis, 



tenue punctatis ; tar sis ferrugineis. S . 



Long. lin, 7i- 



Black, somewhat shining, punctured. Head with the lateral 

 lobes rather coarsely ..wrinkled. Ocelli red. Thorax with the 

 posterior portion of the disc coarsely rugose-punctate, the lateral 

 and anterior margins rather less coarsely punctured ; the anterior 

 portion of the disc slightly elevated, smooth, impunctate ; the 

 posterior margin with a few scattered punctures. Scutellum with 

 the disc very coarsely rugose-punctate, with an irregular elevated 

 line down the centre ; the apex rather finely and thickly punc- 

 tured. Coriaceous portion of the elytra rather finely and thickly 

 punctured, pitchy black, deep black towards the base and on the 

 inner margin ; the submarginal nervure strongly elevated ; mem- 

 brane brown, semitransparent. Body beneath deep black, shi- 

 ning, finely punctured, with the disc of the abdomen impunctate. 

 Legs black, with a row of strong spines along the apical half of 

 the underside of the intermediate thighs, and a row of shorter 

 ones similarly placed on the posterior thighs; tarsi brownish 





