'IIIM Clll^CKl'lvKI) IlKK'I'lilCS. 



840 



/;. IJiiid tarsi ralluT broadly dilalcd; tlmrax willi a( innsl a iiar 

 row shallow groove near aprx, and without a iiicdiau line. 



\. I';.N<K i.Kurs. 

 hli. Hind tai-si sloiidiT and hiui^'cr; thorax with a vri'.v deep sub- 

 aiiical groove and with a median impressed line. 



VI. 'I'llA.XASlM r.s. 



(/'/. Kyes ent ire. 



(■. Antemnil elui) -radnally formed, :;-Jointed : el\tra l»ri,tj;ht red. 



\1I. Zioxonosi s. 



ii. Anti>nnal elnli small, subulohose. L'-Jointed ; tdytra black or black 



and didl vellow. VIII. IIyu.nocku.v. 



1. Moxoi'iiVM.A Spin. 1S41. (( Jr., "siniile -! lo;if.") 



Eyes deeply einnriiiiiaie in front, nearly <livi(lecl : uiaxillai'y 

 palpi eyliiulrica! : last joint of labial palpi sti-on^l\- dilated, hatehet- 

 shaped; tarsi elongate, distinctly five .pinted ; daws hideiitate. An- 

 teniifP with terminal joint large, couipressed. about e(iuall\' as long 

 (female) or very nuich longer (male) than all the pi-eceding joints 

 combined. Three speeies are known from North Ameriea. one of 

 which oeciiis in Indiana. 



iC.lM (olliT). MoNoi'MVi.i.A IKKMIXATA Sax', IJosl. Joum. Xal. Hist.. I, is:',."), 

 KiO; ibid. 11. c.."'.!. 



lOhinixate. snbcylindrical. lUack. moderately shining: 

 thorax yellow with a lar^e or small discal lilack si»ot; ely- 

 tra 1 tianks rnjui humeri to middle and a transverse s]inr at \ 

 nnddle (the latter sometimes wautin.trl yellow; .abdnmen en- 

 tirely yellow, male, the apical (sixth) ventral segment black, 

 temale. ruhescence of elytra and abdomen .i,'rayish. mod- 

 erately sparsi>, of thorax yellowish; that of diseoidal spot 

 and of occiput of head black, moderately loni;. dense and 

 erect. Thorax cylindrical, lon.^er than wide; its disk and 

 that of elytra rather coarsely, densely pnnclale. Len.i;lh 4- 

 7 nun. (Fig. 330.) 



Posey Connty; rare. June 4-Jiine ti. 



TiJlus (■ollaris Spin., is known from Oeorgia a!id Texas, antl h<us 

 been taken by Dnry neai- Cineiiniati. It is bhick. the thorax eii- 

 tirelv oi- witli dislc red: h'ngth o-.").,") ttnn. 



II. Cv^MAToDKK'A (ii'ay. 1 S)).*. (^ii'.. "wave • m-ck.") 

 Eyes modei-ately oiiiarginale in IVonl : iuaxillarx' i)alpi eylindri- 

 eal ; last joint of labial |)ali)i strongly dilated, hatehel-shaped ; tarsi 

 elongate, distinetly o-jointed: atitenna' moi-e or less serrate. Fifty 

 species are k-nown Froin X'ii'lh Aincrica. three of which have been 

 taken in Indiana, while another may occur. 



