﻿STINK BUGS, GENUS MECIDEA — SAILER 479 



8. (3) Third antennal segment cylindrical longula St&l (p. 484) 



Third antennal segment flattened dorsally at least along basal third -_ 9 



9. (8) Black spots just below abdominal sctigerous punctures each with greatest 



diameter equal to one-eighth length of its supporting segment. 



major, new species (p. 486) 



Black spots just below abdominal setigcrous punctures each with greatest 



diameter not exceeding one-twelfth length of its supporting segment 10 



10. (9) Width of pronotum just behind calli not exceeding length of second 



antennal segment minor Ruckes (p. 490) 



Width of pronotum just behind calli equal to length of second antennal 

 segment plus at least one-half diameter of eye. 



pampeana, new species (p. 495) 



11. (I) At least one of the black spots on the abdomen just beneath the setigerous 



punctures with a diameter three times that of a spiracle. 



lutzi, new species (p. 485) 



Black spots on abdomen just beneath the sctigerous punctures never with 



diameter more than twice that of a spiracle 12 



12. (11) Midventral line of abdomen with a dark mark on at least the sixth 



visible segment 13 



Midventral line of abdomen unmarked 14 



13. (12) Lateral margins of pronotum noticeably flattened from anterior angle 



to behind calli, ventral width of margin equal to width of unpunctured 



area just below kristenseni Jensen-Haarup (p. 482) 



Lateral margins of pronotum carinate from anterior angle to behind 

 calli but not noticeably flattened from dorsal view, ventral widtli 

 of margin less than width of unpunctured area just below. 



prolixa StS,l and possibly quadrivittata (Signoret) (pp. 497, 498) 



14. (12) Males 15 



Females 18 



15. (14) Third segment of antenna at least twice as long as second segment. 



pallidissima Jensen-Haarup (p. 494) 

 Third segment of antenna less than twice as long as second segment. 16 



16. (15) Third segment of antenna 1.75 times as long as second segment. 



vidali, new name (p. 501) 



Third segment of antenna subequal to or less than length of second 



segment 17 



17. (16) Third segment of antenna subequal to second, .linearis Dallas (p. 483) 



tellinii Schoutedcn (p. 501) 



Third segment of antenna shorter than second indica Dallas (p. 481) 



pallida St^l (p. 493) 



lepineyi Lindberg (p. 483) 



sahariana Wagner (p. 500) 



18. (14) Dorsal ridge on second antennal segment strongly flattened and 



explanate along posterior half pallidissima Jensen-Haarup (p. 494) 



Dorsal ridge on second anennal segment more carinate, not noticeably 



explanate near base indica Dallas (p. 481) 



pallida Stai (p. 493) 



lepineyi Lindberg (p. 483) 



sahariana Wagner (p. 500) 



rungsi Vidal (p. 499) 



straminea Vidal (p. 501) 



969584 — 52 2 



