THE CANADIAN ENTOMOLOGIST 9 



Plate 3, Fig. 1. Wings of S. ballii. 



" 2. Wings oi S. flabelltis. 

 " " 3. Wings of 5. virginicus. 



" " 4. Segment III of antenna of alate viviparous form 



of 5. virginicus. 

 " *' 5. Segment III of antenna of alate viviparous form of 



5. flabellus. 

 " " 6. Segment III of antenna of alate viviparous form of 



S. ballii. 

 " " 7. Segment III of antenna of male of S. virginicus. 

 " " 8. Segment III of antenna of male S. americanus. 

 " '* 9. Caudal extremity of apterous viviparous form of 



5. scirpiis. 

 " " 10. Caudal extremity of oviparous form of S. 



elongaius. 

 " " 11, Caudal extremity of apterous viviparous form of 



S. flabellus. 

 ** ^' 12. Caudal extremity of apterous viviparous form of 

 S. americanus. 

 '* 13. Caudal extremity of apterous viviparous form of 

 5. ballii. 

 14. Caudal extremity of apterous viviparous form of 

 5. virginicus. 

 " 15. Hairs of 5. scirpus. 

 "16. Hair of 5. virginicus. 

 " 17. Hair of S. flabellus. 



NEW SPECIES OF COLEOPTERA OF THE GENUS 

 MORDELLISTENA. 



BY EMIL LILJEBLAD, CHICAGO, ILL. 



Material in the family Mordellidse, one of the most neglected 

 of the families of the Coleoptera, neglected alike both by the collec- 

 tor and the systematist, has long been sought by the writer. Hav- 

 ing accumulated a large number of specimens, and the opportunity 

 having been presented to make a thorough study of the forms at 

 hand, not alone in my cabinet but in that of Mr. A. B. Wolcott, a 



January, 1917 



