Parasites. 
Polygnotus rubi Ashm., MS.-_...--.-- 
Polygnotus vernoniz Ashm., MS.....- 
| Polygnotus tumidus Ashm., MS.-..---.- 
Polygnotus alnicola Ashm., MS ..--..- 
Polygnotus pinicola Ashm., MS -.--. --- 
Polygnotus euure Ashm., MS....-.---- 
Polygnotus atriplecis Ashm., MS. -.---- 
Polygnotus huachuace Ashm., MS...-.- 
Polygnotus diplosidis Ashm., MS --.. - 
Polygnotus actinomeridis Ashm., MS .- 
Polygnotus californicus Ashm., MS..-- 
Polygnotus astericola Ashm., MS ---. -- 
Polygnotus hiemalis Forbes --.--.-. --- 
...Luura s.-nodus Walsh. 
..-Diplosis sp. on Pine. 
---Cecidomyiid gall on Asynapta sp. 
\ 
126 
Hosts. 
..-Cecidomyia farinosa O. S. on Blackberry. 
Arlington, Va., March 30, 1886. 
.-.Trypeta gall on Vernonia noveboracensis. 
Arlington, Va., June 15 and 16, 1886; also 
from Cecidomyiid gall on Vernonia fasci- 
culata, St. Louis, Mo., June 8, 1886. 
.--Cecidomyia symmetrica O. S., on Oak. 
Washington, D. C., Feb. 25, 1881. 
.--Cecidomyiid gall from flower bud of Alder. 
Washington, D. C., July 31, 1886. 
.--Cecidomyia pini-inopis O.S. on Pinus inops. 
Washington, D. C., May 14, 1879. 
St. Louis, Mo., 
Feb. 24, 2879. 
.--Cecidomyiid gall on Atriplex canescens. 
Barstow, San Bernardino County, Cal., 
April and May, 1887. (?) 
--Cecidomylid pod-like gall on unknown 
plant, Fort Huachuca, Arizona, June 6, 
1883; Cecidomyiid stem-gall on ‘Sun- 
flower, Fort Grant, Arizona, June 5, 1882, 
and from a Cecidomyiid gall on Sensitive 
Plant, Fort Huachuaca, Arizona. 
New Brunswick, N. 
J2 Pebel2 sok 
-.-Cecidomylid gall on Actinomeris. 
ington, D. C., April 23, 1884. 
Wash- 
..-Cecidomylid gall on Baccharis pilularis. 
San Francisco, Cal., June 10 and 23, 1883 ; 
Alameda, Cal., Dec. 17 and 19, 1885. 
.-Cecidomyiid gall on Aster. Holderness, 
N. H., May 21, 1884. 
May- 
wood, Il. 
..- Cecidomyia destructor Say. La Porte, Ind., 
May 14, 1889; Blair, Nebr., Aug. 16, 1876. 
Subfamily Proctotrypine. 
Proctotrypes obsoletus Say -..-------- 
... Stelidota strigosa. 
9, 1879. 
Subfamily Diapriine. 
Dia pria Conica, Faber... 2224 n as eae 
Diapria muscz Ashm., MS so ee ee 
Phenopria hematobie Ashm., MS ..-- 
_..Eristalis tenax. 
Albany, N. Y., Oct. 10, 1890 
(Dr. J. A. Lintner). 
.--From dipterous puparia found in the 
ground, Sacramento County, Cal., Sept., 
1890. 
..-Hematobia serrata. Virginia, Sept. 12, 
1889. 
Washington, D. C., Dec. 
ee eee ne 
