N'ezv Species of Slerohi, With B.vphiiiafory Xofes. 



59 



1-284 



.V f-' 

 4-5 



5-4 



6-9 

 7-8 

 8-7 

 9-6 



13-14 

 '4-13 



1 5-20 

 16-17 



17-16 

 18-19 

 19-18 

 20-15 



KEY TO THE KNOWN HAWAIIAN SPECIES 

 OF SIEROLA. 



FEMALES. 



Head extended in front of the eyes, anterior 

 margin angiilate, sometimes with a cl}'- 

 peal horn 



Clypeal process large 



Clypeal process spatuhUe 



Clypeal process decurvcd, dorsally convex, 

 without carina 



Clypeal process horizontal, tlorsally tlat or 

 elevate and carinate 



Clypeal process dorsally flat and carinate. 



Shining black 



Dull black, particularly on the head 



Clypeal process medially longitudinally ele- 

 vate and carinate 



Clypeal pn cess apically olitusely angulate. 

 head considerably longer than wide 



Clypeal process apically acutely angulate, 

 head only a little longer than wide 



Clypeal process not spatulate, either a semi- 

 circular or transverse lamina <ir spicutc 



Chpeal process a semicircular bnuina 



Clypeal process not semicircular, either trans- 

 verse or spicate 



Ch'peal process trans\-erse 



Clypeal process simple, not rostrate, head 

 strongly protuberant beneath 



Clypeal process rostrate 



Head and thorax shining black 



Head and thorax dull black 



Clypeal process spicate 



Head smooth and polished, punctuation ^ne, 

 longer behind, narrower jjetween the eyes 

 than \'ar. Inn^'aiiciisis 



Distinctly sculptured, punctuation coarse, 

 wider between, sliorter licliind the eyes 

 than Oahu form 



24-29 

 25-26 

 26-25 

 27-28 



28-27 



Clypeal process small 

 Clypeal process spicate 

 Body thick-set 

 Body slender 

 Body particolored 

 Body entirely black 



r. distiiicia 



2. aruuita 



,V id'^rcscciis 



4. voh'iuiica 



5. acuta 



6. iiur^iid 



7. Ictiiiciisis 



8. notabilis 



9. sima 



10. sfiiiita 



1 I. s pica fa 

 subspecies 

 hazi'aiicitsis 



12. iiitida 



13. bclla 



14. gracilis 



