TiTF, CRi>.\i.' i>.Kr;Ti,i^s. 697 



'I'lic iiiciiihcrs (if tile rmiiily ;irc iii;iiiily (•h.-irjiclci-i/cd hy li;iviti<i' 

 tlio jmlciiii.-r Il-jdiiilcd. iiiscrlcd hclorc . -111(1 oii llic inner side dl" the 

 oyos, serrate in the I'-mnlcs and witli raiidihi' proccssrs ( llahcllnte) 

 in tlio males of Sandalus: clyli'a (Mxcrin^- llii' aliddincn. which has 

 five free \('nfra; seo-ineiits; front and iniddU; eoxie conical, promi- 

 nent, the foi-niei' with larijre trochantins ; hind eoxie transverse, di- 

 lated into a small plate partly eoNeiMn^' the thiuhs; tai'si o-jointed, 

 claws sim|)li'. each pair with a hm^'. hairy pad oi' cushidti fony- 

 cliinm") hetweeii them. 



The oidy literatnre dcalini;' with l!ie .\orth American species is 

 as follows : 



Tfaklcmon. — "Ohservaticms on the Genns i^andalns." /// Pi-oe. 



Phil. Acad. Nat. Sei.. VI, 1853. 862. 

 IIorH. — "Notes on Rhipicerida- " In Trans. Amer. Entom. Soc, 



TX. 18S1, 85-86. 



KEV TO GENERA OF BHIPICERID.E. 



a. Joints of tarsi not lobed ; antenune moderately long, serrate in liotli 



sexes. I. Zkmoa. 



flfl.. Joints of tarsi lobed: antenn;o short, serrate in the female, tlabellate 



in the males. II. Sandams. 



I. Zenoa Say. 1835. (Gr.. ''a stoic") 



In addition to the characters a1)ove mentioned this ^'enus may he 

 known from Sandalus by having the niandihles mneh smaller, emar- 

 tiinate or hifid at tip; the side pieces of metathorax nmch narrower, 

 the epimera not visible. One species occnrs in the eastern United 

 States. 

 1:;l'4 (4020). Zenoa picea Beanv.. Ins. Africa and America. ISO.", 7. 



Khingate-oblonir. Uniform dark reddish-ei' lilackisb- 

 bi-nwn. Anlenna:> reacliing to or slightly beyond tlie ])ase 

 iif i borax, the joint.^ wid(\ serrale on t]i(> inner side. 

 'fiior;ix one-third wider liian long. |'ron( ;iiid hind an- 

 gles iiromineid ; disk witli a small roimded impression on 

 each side of the nnddle and anolber nnich larger irregn- 

 lar one .il base: snrtace finely and eveidy pnnctate. Ely- 

 tra each with foiu' raised lines, the first innting with the i 

 second on apical third, the others niiitiiig near apex: in- 

 tervals between Ihe lines marked with large, more oi- 

 less confluent punctures; a short. ol>li(|ne raised line on 

 each side of scutellum. Length 11-15 nun. (Fig. 270.) 



Vigo. Tntnam and Posey connties; scarce. l\Iay 

 2-Aiigust 3. Occnrs beneath logs and bark in di-A' ,,. ,,„ ,,,, ,, , 



^ ■ Iifc. 270. (After Horn.; 



n]iland woods. 



