THE Tr.MIU.ING FLOWER UKIOTLES. 



i:n7 



24:'>(i (770(i). MORDKIJ.ISTKXA AIUDA Lcc. I'l-oc. I'liil. AckI. N.ll. Sti.. Xl\'. 

 1SG2, 4S. 

 L:UM,'t'i- :iu(l slightly <l:ifki'r tlinii liih a. Kid^rs dl' lihi.r :in<l l;irsi linger 

 and stronger than there, those of the lirst .ioint n\' hind tarsi nnirli nmrc 

 (ilili(ine. Length 3.5—4- nun. 



1j;i1<i\ Porter mid 'rippccaiioc ^-ouiilics; scai-ce. June 27-Jiily 

 21. 'I'lic six'ciitKMis from ]j;\]ir aiui I'oiicr counties were taken d'oiii 

 the Mowers of the ])ri(*kly pear eaetus. Opiinlld rafiin sfjiiti Kn^elni. 

 P.oth Loronto and Smith state that 

 (ifidd lias hut two rid'^cs on lii'st joint, 

 hut all the siieciniens at hand have three. 

 Dr. Smith j^ronounees them arida. stat- 

 inii' that "iho diffei-enec^ in the rid^(>s is 

 within the raug-e of variation." This is, 

 ot" eonrsc true, bnt how al)out the keys. 

 which are based on an unvarying num- 

 ber of ridges? 



Giiorr C. , ., . , , 



I'i;; .577. a, Hind tibia and tarsus of 



In this grouii the tibia' bear two ^lordeUi,lcHalrifasciat^^^ 



^ ' c, i-lytron of .1/. hmhnht- (.•Vfter .'■niith.) 



ccpial oblique parallel ridges on the 



outer face. (Pig. 577, rf.) The following si)ecies have been taken 



or should oeeur in Indiana : 



KEY TO INDIANA SIMCCIES OF (U50VP C. 



(/. First Jdint (if iiind tarsi with two oblicine ridges. 



h. Second joint i>t' hind tarsi witli hnt one <ihli(ine ridge. 



c. Elytra blacl; with two transverse yellow hands, the front one part- 

 ly interrnpted at suture hy a prolongation of the black band at 

 base. 

 (I. Body black; thorax lilack with basal margin and sides dnll yel- 



lOXV. 24:!7. TIUFASeiATA. 



(hi. r.ody yellow: thorax yellow with a faint fuscous cloud on disk. 



24.>S. i,Krn)ri,A. 

 cc. Elytra without transverse yellow bands, 

 c. Color above wholly or in great part pale. 



f. Thorax witli front angles and a large spnt on center of disk 

 black. 24o'.i. 1.1 M HA LIS. 



//. Thorax and elytra wholly i>ale clay yellow. 2440. vavida. 



cc. Color above wholly or in great part black or iticeous. 

 (/. Elytra with a reddish-yellow oval humeral spot. 



2441. luri.AciA TA. 

 (///. Elytra without distinct humeral siiot. 



/(. Head, thorax and legs, except the hind fcnior.i, reddish-yel- 

 low'. niMIDIATA. 



