THE TUMBLING FLOWER BEETLES. 



1310 



2440 (7S0G). MordklustENA vapida Lec, Proc. PM1. Acad. Nat. Sci., XIV, 



1862, 40. 



Slender, feebly wedge-shaped. Pale day yellow, sparsely clothed with 

 long yellow pubescence; elytra sometimes a little darker on apical third. 

 Length 2-3.5 mm. 



Orange County; rare. May 28. Ranges eastward to New 5 ork. 



2441 (7803). Mordellistena biflagiata Helm., Proc. Phil. Acad. Nat. Sci., 



XVI, 1864, 105. 



Rather robust, wedge-shaped. Black, elytra with a reddish-yellow oval 

 humeral spot; palpi, tibiae, tarsi, basal joints of antenna' and part oi abdo- 

 men, reddish-brown. Length 3-4 mm. 



Throughout the State j frequent, May 3-October 23. Occurs in 

 spring, especially on flowers of Crataegus; in autumn rarely on 



fungus. . 



M dimidiata Helm., length 2-3 mm., was described from Illi- 

 nois; M. intermixta Helm., length 2.5 mm., is known from Illinois 

 and New York; M. decorella Lee, 3 mm, M. bipustulata Helm, 2-3 

 mm M. picipennis Smith, 4 mm, M. fidvicoUis Melsh, 2-3 mm 

 and M miliiaris Lec, 2-3 mm. in length, have all been recorded 

 from Cincinnati; bipustulata and fidvicoUis also from Illinois. M 

 scapidaris Say, 4 mm. in length, is said to occur in the "Middle and 

 Western- States." 



2442 (7813). Mordellistena ornata Melsh., Proc. Phil. Acad. Nat. Sci.. 



II, 1845. 315. 



Narrow, slightly wedge-shaped. Head and front half of thorax red- 

 dish-yellow ; elytra each with a large triangular spot on basal halt, suture 

 and narrow margin or line behind middle, yellow. Length 3-4 mm. 



Throughout the State ; scarce. May 21-July 13. 



2443 (7816). Mordellistena comata Lec. Proc. Phil. Acad. Nat. Sci.. 



1858, 75. , ._ „ 



Linear, slightly wedge-shaped. Color given in key; front and middle 



legs partly dull yellow. Length 2.8-3.2 mm. 



Southern two-thirds of State; scarce. May 27- June 21. I he 

 Indiana specimens are of the variety cervicalis Lee., and resemble 

 tnarginalis Say very closely, differing only in having one less ridge 

 on hind tibiae and first joint of tarsi. If these ridges and color of 

 thorax are variable, as some authorities claim, several of the forms 

 with black body and reddish head will have to be combined under 

 Say's name. 



2444 (7817). Mordellistena asfersa Melsh.. Proc. Phil. Acad. Nat. Sci.. II. 

 1845 314. 



Narrow lender, 'slack : pubescence rather flense and evenly distributed, 

 brownish-gray in hoe. Hind tibia, with a trace of a third ridge. Length 

 2-3 mm. 



