NO. 1977. MONOGRAPH OF THE SIONIPHORIN^—GIRAULT. 217 



labeled "Bred from Asp. uvse Comst. J. F. Zimmer, Washington, D. C, 

 1911," and respectively "No. 17, May 15;" "No. 15, May 17;" 

 "No. 18, May 15;" "No. 16, May 15;" "No. 24, May 18;" "No. 20, 

 May 16;" and "No. 13, May 19." One slide bearing 1 male and 2 

 females, labeled "No. 14. Bred from grape scale. C. W. Hooker, 

 Vienna, Va., May 18, 1911." A slide bearing a single male and 

 labeled " Signi'phora. Diasjns pentagona on lilac. Washington, 



D. C. Bred by E. R. Sasscer. March 8, 1907. Coll. Feb. 12, 1907." 

 Another slide bearing a single female and labeled "From Aulacaspis 

 rosse, Bouche. North Chevy Chase, Md. T. H. Leavering. Septem- 

 ber 26, 1910." U.S.N.M. A slide bearing a single pair, labeled 

 " SignipTiora. CJiionaspis americana Johnson on Ulmus americana. 

 Columbus, Ohio. J. G. Sanders. Coll. Sep. 3, 1906: Bre4 by 



E. R. S." From the Illinois State Laboratory of Natural History, 

 Urbana, the following four sHdes : One bearing a single male specimen, 

 labeled "No. 39119, Signipliora." and reared from Aspidiotus uvse 

 Comstock on cultivated grape collected at Anna, Illinois by L. M. 

 Smith and reared July 17, 1908; two slides bearing 1 male, 4 females, 

 and 1 male, 2 females, respectively, labeled "21477" and reared 

 from Diaspis rosx, August 15, 1895 (W. G. Johnson) at Urbana, 

 Illinois. A fourth slide bearing 2 males and the accession Nos. 

 "21458" and "21401 " and reared from Aspidiotus sp. on currant, and 

 the ch&rv J Aspidiotus (forhesi'^) at Urbana, Illinois, July 30, August 13, 

 1895, by W. G. Johnson. Also a probable specimen of this species, 

 in bad condition on a slide, remounted from a tag in the United States 

 National Museum collection, labeled "289. From Pseudococcus 

 aceris Geoff. Sep. 4, 1896. W. G. Johnson, Paterson, New Jersey." 



Hahitat. — United States — District of Columbia (Washington); 

 Maryland (North Chevy Chase); Illinois (Anna, Urbana); Virginia 

 (Vienna) ; Ohio (Columbus) ; New Jersey (Paterson) . 



Hosts. — Aspidiotus uvse Comstock; Diaspis pentagona Targione; 

 Aulacaspis rosse Bouche; Cliionaspis americana Jolinson; Aspidiotus 

 forhesi Johnson (?) and on Aspidiotus on currant. 



Tijpes.— Cat. No. 14198, U.S.N.M., 3 males, 1 female, on a single 

 slide (District of Columbia). 



Cotypes. — Accession No. 45083, Illinois State Laboratory of Natural 

 History, Urbana, 2 females on one slide (District of Columbia) , 



18. SIGNIPHORA MAXIMA, new species. 



Normal position. 



Male. — ^Length, 1.05 mm.; large, robust. 



General color deep black, the whole body tinged with metallic 

 greenish; tarsi yellowish, all the distal joints and the proximal joints 

 of the intermediate and caudal legs dusky, the last named joints tinged 

 with more or less fuscous. Tips of cephalic tibiae and cephahc tibial 

 spur yellowish; rest of legs concolorous with the body; caudal tibial 



