1314 PAMILV LXI. — MORDELIJD.E. 



Detroit, there is an ol)liqne stripe from the Imineriis to Ijeyond the 

 middle. Smitli J-egards the two speeies ms ifhnitical. 



2428 (7785). Mokdella sekval Say, Host. -Tduni. Nat. Hist.. T. lS;i5. 191; 

 ibid. II, GG2. 



Piceons brown, mottled witb yellowisli as meiitioiKMl in Icey ; elytra witb 

 a round black spot eacb side of scntelluni, these bordered beneath with a 

 yellowish spot mnch larger than the others; under surface varied witli asli- 

 .trray and black. Length 4-4..^) nun. 



Putnam County ; rare. July 4. Beaten from flowers of linden. 

 Ray's type was from Indiana, prohahly Posey County. A i)rettily 

 marked and easily recognized species. 



242!) (77S7). Moki)klt^\ (htlata Say. I'.ost. .Tonrn. Nat. Hist., I. is:!."., T.IO; 

 ibid. 11, 0(:2. 



Antennii'. tibii^e and tarsi dull red; basal yellowish band of elytra ex- 

 tending in a point almost to nuddle of each; under surface varied with ash- 

 gray pubescence, the hind margin of each ventral segment reddish. Max- 

 illary palpi of male much larger than in female, and excavated at tip. 

 Length 5-6.5 mm. 



Southern half of State; scarce. May 31-Octoher 3. Occurs on 

 the greater horseweed, Ambrosia trifida L. 



24;;o (778'.)). MoKDEixA thieoija Say, Journ. I'hil. Acad. Nat. Sci., 111. 1S24. 

 27G; ibid. H, 1<>]. 

 Body black. Thorax with a three-loI)ed black spot, margineil with yel- 

 lowish i)Ubescence: elytr.-i with three undulating bauds of dirty yellowish 

 l)ubescence. the l>asal one enclosing a humeral and sciitellar black spot; un- 

 der surface rather thickly clothed with silvery gray hairs. Length :*.-4 unn. 



Marion, Putnam and Posey counties; scarce. May 24-July 14. 

 Taken from flowers of rr.ullein and wild hydrangea. 



M. andnlaia Mels., length 3 mm., is recorded from Pennsylvania 

 and Ohio. 



24:U (7792). ^loRnEELA discoidea Melsh.. I'l'oc. IMiil. Acad. Nat. Sci., IL 

 1843, 315. 



Rlack ; antenn;e. legs .and top of head yellow ; thorax yellow, with a 

 large triangul.ar black spot reaching from a])ex two-thirds to base; elytra 

 black, mai-ked with yellow as follows: an olili(iue strijie extending from 

 humerus to ;i crossband before middle, a se<'ond l>and lieliind middle; ajiex. 

 margin and suture behind the second band. Lengtli 2 :! nun. (Fig. ."i7C>. 

 No. 9.) 



Posey County; rare. June 11. A small and prettily marked 

 form, whose general range is southern. 



