V^ol. XXvi) ENTOMOLOGICAL NfWS. 133 



Polygnotus Not an Egg-parasite of C«ddofiqria (Hym.). 

 In KnionioloKical N'rw^. XIX. p. 35a; RttMclI and Hooker record 

 a proctotr\|M>i(l as paruMtic upon the cgg* of their Cfcidomyia foliora. 

 Mr t1. L. \'iercck idrntifird the |>aratttrs as Poljgnotns and later tent 

 them to mc. From their »ize it would seem a physical impossibiUty for 

 them to be true egg-parasites of the^ Cccidoaqria. 



A Not* 00 tkmmium amda (Lopu). 



Several larvae obtained from wild phim (AimapoKs, Maryland) on 

 May 7. 1901. pupated on May 12. the butteriUca cwcrging after tea and 

 a half to elcTcn days. 



A Few Notaa 00 Usaa coacawa Say (CoL). 

 At Annapolis, Maryland, the eggs of this species were very co mm on 

 in the stems of dock (Rmwttx), the third week ia May. kjoi. After 

 sooM watching, the following obaervation waa aMde on the manner of 

 oviposttion.* When first seen, the feoMlc was excavating a cavity 

 into the plant with her jaws, her head toward the ground. After 

 about forty minutes she toracd hastily about, fitted the tip of dw 

 abdomen into the cavity and a^ y ai t at ty widKNtt any exertion the egg 

 was laid, occopyiag abool ivc Mooods ; the cavity waa then dosed, bat 

 in what oiaaner was not noted. The oMJe was doie by the whok 

 time, ntnally npoo the femalc^s back, hot not partic ipa tiag in the work. 

 Some of the dock plants bore as many as four eggs. On January 7 

 a fttll-grown larva was e aco uat e r ed two and a half inches below the 

 egg-scar; e«gs were then still abondanL On June Mk at Blacksburg. 

 Virginia, the adults were oba cf wc d on cultivated rhubarb and later 

 many cgg-scara were found ahmg the stems containing eggs; but in 

 aooe of these infested plants could larvae ever be found. A gummy 

 substance exuded by the rhubarb plant was often found <>vrr the 

 cgg-scar. On January j$ adults were ob s erved 



Identification of SpecioMaa. 



The following desire to be added to the list of those wilHng to de- 

 termine material from North America in their respective groopa. (Sec 

 this volume of the News, pages jj. \$ and 85 for further information 

 and for directions for sending specimens). 

 HiuxmMA.—PentMomudat: Dayton Stoner. Iowa City. Iowa; Const- 



dot: ]. F. Abbott, Washington University. Sl Ivouis. Missouri. 

 \\\u\.initn%aj^.—Pomp%U4ae and VkHanthidat : Nathan Banks, East 



Falls Church. Virginia. 

 .N'BtnorrBBoia Iksicts (except Odooata)^— Nathan Banks. East Falls 



Church. Virginia. 



l*Sce F.nt. News XM1T pf> 401 and 474. Esi] 



