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PROCEEDINGS OF THE NATIONAL MUSEUM 



Table 1. — Species groups of subgenus Trichapion Wagner 



I. Species of uncertain position 



1. aequabile Fall 



2. aestimabile Wagner 



3. albidulum Fall 



4. alticola Wagner 



5. asellum Wagner 



6. auronitidum Wagner 



7. bettyae, new species 



8. chalybaeum Wagner 



9. grossulum Fall 



10. guatemalense Wagner 



11. laminatum Sharp 



12. peninsulare Fall 



13. persulcatum Wagner 



14. spiculiferum Wagner 



15. tabogense Sharp 



II. Species groups related to Apion 



simile Kirby. 



A. SIMILE GROUP 



1. meorrhynchum Philippi 



2. modestum Smith 



3. propinquicorne Fall 



4. simile Kirby 



B. PROCLIVE GROUP 



1. acanonicum, new species 



2. adaetum, new species 



3. coryi, new species 



4. imitator Wagner 



5. plectrocolum, new species 



6. proclive LeConte 



C. GLYPHICUM GROUP 



1. chuparosae Fall 



2. glyphicum Sharp 



3. vinosum Sharp 



D. GRISEUM GROUP 



1. aurichalceum Wagner 



2. godmani Wagner 



3. griseum Smith 



4. nebraskense Fall 



5. novellum Fall 



6. oriotes, new species 



7. parcum, new species 



8. sayi Gyllenhal 



E. SPINITARSE GROUP 



1. brachycephalum Wagner 



2. caenum, new species 



3. calcaratipes Sharp 



4. enoplus, new species 



5. innocens, new species 



6. innocuum, new species 



7. latitator, new species 



8. mirandum, new species 



9. mirificum, new species 



10. sancti-felicis Sharp 



11. spinitarse Wagner 



F. PUNCTULIROSTRE GROUP 



1. brunnicornis Fall 



2. eccentricum Fall 



3. punctulirostre Sharp 



G. SUBMETALLICUM GROUP 



1. auriferum Wagner 



2. hadromerum Wagner 



3. perpilosum Wagner 



4. submetallicum Boheman 

 III. Species groups related to Apion 



patruele Smith 



A. PATRUELE GROUP 



1. abdominale Smith 



2. centrale Fall 



3. evustum, new species 



4. fusconitidum Wagner 



5. gulare Fall 



6. nitidum Kirsch 



7. patruele Smith 



8. perforicolle Fall 



9. porcatum Boheman 



10. rufipenne Gyllenhal 



B. RECONDITUM GROUP 



1. acupunctatum Sharp 



2. bicolor Gerstaecker 



3. davidis Sharp 



4. gracilirostre Sharp 



5. importunum Fall 



6. managuense Wagner 



7. minor Smith 



8. nanulum, new species 



9. nitidirostre Sharp 



10. oscillator Sharp 



11. pervicax Fall 



12. reconditum Gyllenhal 



13. subrufum Sharp 



14. subsequens, new species 



15. subtinctum Fall 



C. OBLITUM GROUP 



1. mediocre Sharp 



2. oblitum Smith 



D. NIGRUM GROUP 



1. cordatum Smith 



2. dolosum Fall 



3. heterogeneum Sharp 



4. lativentre B6guin-Billecocq 



5. nigrum Herbst 



