762 MB.. E. A. ELLtOTT ON THE 



Table of Species. 



?. 

 (18.) 1. Posterior margin of head produced eollar-like. 

 (13.) 2. Petiole distinctly longer tlian rest of abdomen. 

 (4.) 3. Petiole tw ice as long as rest of abdomen; pronotum poste- 

 riorly rugose punctate ; abdomen from second segment 

 sliining smooth ; terebra about 1 j times as long as body. 



I. collarifer Schlett, 

 (3.) 4. Petiole not more than half as long again as rest of abdomen. 



(6.) 5. Head black; neck indistinctly transrugose, pronotum oblique, 



rugose behind 2. marginalis ^c\\\eti. 



(5.) 6. Head red. 



(8.) 7. Neck transverse, hind coxae smooth beneath 3. c/lahricoxis Roman. 



(7.) 8. Neck longer than broad ; hind coxa; trans-striate beneath. 

 10.) 9. Neck twice as long as broad ; pronotum smooth, diffusely 



punctate behind only, median segment with punctures of 



varied size, interstices partly punctate-rugose... 4. pertianus Enderl. 

 (9.) 10. Neck not more than H times as long as broad. 

 (12.) 11. Neck of pronotum laterally angulated ; punctures on median 



segment uniform, interstices smooth 5. anffulicollislioma.n. 



(11.) 12. Neck of pronotum not laterally angulated ; interstices on [Cam. 



median segment alutaceous 6. erytlirocephalus 



(2.) 13. Petiole at most as long as rest of abdomen. 

 (15.) 14. Terebra scarcely longer than body ; median segment centrally 



narrowl J', laterally broadly irapunctate 7. !^e«e)- Schlett. 



(14.) 15. Terebra at least one-third longer than bodj'. 



(17.) 16. Petiole as long as rest of abdomen ; terebra half as long again 



as body 8. wiistneii Schlett. 



(16.) 17. Petiole shorter than rest of abdomen ; terebra one-third [Schlett. 



longer than body , 9. limpidijpennis 



(1.) 18. Posterior margin bordered or not bordered, but not produced 



collar-like. 

 (26.) 19. Posterior margin of head bordered. 

 (21.) 20. Terebra twice as long as body; semiannular smooth and 



shining 10. macrurus Schlett. 



(20.) 21. Terebra not more than half as long again as body. 



(23.) 22. Median segment confluently punctate. 



(22 i.) 22 a. Scutellum smooth, with marginal punctures only. 27 mm. 



II. intermedius Szepl. 

 (22a.) 22&. Scutellum closely punctate throughout. 13 mm. l\a. granidatiis^Wioii. 

 (22.) 23. Median segment diffusely, not confiuently punctate. 



(25.) 24. Semiannular striate; metapleura; coarsel.y alutaceous and 



punctate ; hind coxic closelj' rugose ; wings hyaline. 



12. jpelillcei Enderl. 

 (24.) 25. Semiannular smooth ; metapleurae irregulaidy rugose ; hind 



coxse with sparse scale-like rugosities, wings subhyaline [Westw. 



centrally slightly darker 13. suhmaculatus 



(19.) 26. Posterior margin of head simple, not bordered. 



(28.) 27. Semiannular and petiole except basally smooth ; wings sub- [Westw. 



hj'aline, centrally darker 14. maculipennis 



(27.) 28. Semiannular more or less rugose ; wings not centrally darker. 

 (30.) 29. Terebra more than half as long again as body; petiole as long 



as rest of abdomen 15. ruficeps Cdsa. 



(29.) 30. Tei'ebra little or not longer than body. 



! 32.) 31. Terebra a little longer than body ; petiole shorter than rest 



of abdomen ; wings clear hyaline 16. vadosiis Schlett. 



(31.) 32. Terebra only as long as body ; petiole slightly shorter than 



rest of abdomen ; wings infumate 17. cylindricusW^eaiv,'. 



