TilK I'M'IASIXC I'MNdl s 1',i;kti,ks. o47 



\'I1. Tkitom A l<';il«. ITTT). (( ii-.. "tliivc > joint.") 



Siiijill (i\;il I'f (tlildii^- spiTU's. I»l;i(k (ir I'cil ■.\\\i\ lilnck in i-olor. 

 haviiiii- llic ;iiilcim;il clul) :>- of l-joiiilfd. llic l.isl joint oT ni;i\ill;iry 

 |.;il|)i l)i-o;i(lly dilated and the middle aiva of montuni small and 

 triaimnlai'. Some of llie species are to l)e fonnd 1»\- hundreds in 

 ruiiiii during' liie suminef and autumn, havinti' resorted tlieret<i to 

 deposit tlieii- eu^s, whieli liateli into mati'ii'otdike lai'va' wlliell feed 

 n|)i II the juii-es of the fun^i. AI)ont 1.") species are known from the 

 I'nitt'd States, ei'jhl of which have heeii taken in Indiana, while two 

 other,>! may occur. 



KEY TO INDIANA SIMXIKS OK TlU'l'OMA. 



II. Klytni more ur less red. 



b. Red of elytra limitod to spots on hnmerus. 



c. Under side piceous-black. the apex of last soij;nunit alone pale. 



1045. HUMIORAUS. 



cc. Under side entirely pale. 104G. biguttata. 



bb. Elytra nearly entirely red or willi l)road central reddish-yellow bund. 

 (/. I'nrni oval; elytra retl with outer luai-i^ins Idack. 



KUT. MIMKTICA. 



(/(/. I"ni-iu oblonu-. elytra witJi liroad cciUral liand of reddish-yellow. 



104S. FESTIVA. 



(/(/. i:iytra wholly black. 



e. Head and thora.x of same color as elytra. 



f. P.eneath piceons, the legs and palpi l»rownish-ycllow. 



1049. ANGULATA. 



ff. Beneath black, the tarsi and palpi piceons. 1050. unicolor. 



ec. Head or thorax or both, paler than elytra. 



g. Head reddish-yellow, thorax and elytra coneolorous. 



EKYTIIROCEPHAI.A. 



()fi. Head and thorax both yellow. 

 /(. Body beneath reddish-yellow. 



/. Antenna' entirely black: elytral intervals obsoletely punctulate. 



MAORA. 



/(■. Antennte black, red at bas(> : ely(i-al intervals sparsely but dis- 

 tinctly punctate. 1051. tiioracica. 

 hh. Body black benea 111. 1052. eiavuoi.ms. 



1045 (.".lili.'.). TiaroMA ihwiekaiis Fab., Syst. Eleut., IT. ISdl, 571. 



Broadly dval. Black; antemuw legs and a sub<inad- 

 rate spot near tlie hnmerus of each elytron, reddish-yel- 

 low. Head and thorax distinctly and rather closely punc- >->.^<t4 

 t.-ite. Elytra with rows of tine pnuchn-es. the intervals 

 vcrv olisoletelv punctulate. Length :'. 4 nun. (Fig. '-I'C. i '^ A /.'f',,',A 



Sontheiai half of State : fre(iuent. Not \-et taken 

 in the iioi'tliern count ii's. .\pi-il 22- Septeinher 21t. , \ftiT Wickhan'' 



