NO. 1977. monograph: of the sioniphorin^—oirault. 213 



June 19, '97. (Townsend.) Signipliora fownsendi Ashm." Also 

 the following specimens in the collections of the United States 

 Department of Agriculture : A single female on a sUde with a Prospal- 

 teUa, labeled "1745. Aspidiotus sp. on soft wooded fibrous tree, 

 Cordoba, Mex." One female on a shde with mexicana and jlavo- 

 palliata and some aphelinines, labeled "1768. Aspidiotus sp. on 

 Hibiscus, Cuautla, Morelos, Mex. May 29, '97. Koebele." A third 

 female on a similar slide with. Jlavopalliata Siudjlavella, labeled " 1744. 

 Aspidiotus on Celtis occidentalis. Amecameca, Mexico, Mex. June 

 7, '97. Koebele.". One male, six females on a single slide labeled 

 " Hemich. latanim on peach, Wliitesboro, Tex. J. M. Buchanan. 

 Let. Jan. 25, 1908. Bred Feb. 23, 1908. E. R. S." A male on a 

 slide labeled " Diaspis pentagona Targ. and Asp. perniciosus on cherry, 

 Washington, D. C. E. R. Sasscer, Aug. 21, 1907." Two females on 

 a sHde labeled "C. H. T. Lima, Peru. 219° 3°. Nov. gen. 2d. 

 (2 spms.) sp. 2. Dec. 31, '09. T." Finally, a slide bearing a single 

 male labeled " 1629. Aspidiotus sp. Quercus engelmanni, Amecameca, 

 Mex. 25.5.97. Koebele." And one bearing 5 males, 9 females + 1 of 

 townsendi and labeled "1723. Aspidiotus on pyramidal willow near 

 city Mexico, July 7, '97." 



Hosts. — Aleyrodes sp. on coarse grass (Tabasco, Mexico) ; Aspidiotus 

 on soft- wooded fibrous tree (Mexico) ; the same on hibiscus and Celtis 

 occidentalis (Mexico) ; Aspidiotus latanice- Signoret on peach (Texas) ; 

 Diaspis pentagona Targione and Aspidiotus perniciosus Comstock on 

 cherry (District of Columbia, U. S. A.); Aspidiotus sp. on Quercus 

 engelmanni (Mexico). 



Habitat. — Mexico — Tabasco, Cordoba, Cuautla (Morelos), Ameca- 

 meca (Mexico). United States — Washington, District of Columbia, 

 and Texas (Wliitesboro). Peru (Lima). 



Types. — The four females as noted above. 



Homotypes. — Acccession No. 45090, Illinois State Laboratory of 

 Natural History, Urbana, 1 male, 6 females on one slide (Wliitesboro, 



Tex.). 



DESCRIPTIONS OF NEW SPECIES. 



The following species were discovered wliile revising the genus. 

 The descriptions were all made from study under equal magnification. 



14. SIGNIPHORA FLAVA, new species. 



Normal position. 



Female. — ^Length, 0.65 mm. Moderate in size. 



General color lemon yellow, immaculate, or nearly, but the vertex 

 and antennae suffused with dusky as is also the extreme tip of abdo- 

 men; the whole body slightly suffused with orange; legs and antennal 

 scape concolorous with body; remainder of antemia dusky; cHstal 

 tarsal joints concolorous with remainder of legs; tips of mandibles 

 black; eyes dark red; venation lemon yellow suffused with dusky; 



