12 BULLETIN 599, U. S. DEPARTMENT OF AGRICULTURE. 
PARASITES. 
While conducting the seasonal-history studies, it was found that 
the striped peach worm was parasitized by a number of insects. 
Table XII records the emergence of the Hymenoptera and Diptera 
which parasitized the 683 larve collected on sand cherry July 28, 
1915, and 60 pupe collected in May, 1916. 
TABLE XII.—Hmergence of parasites of the striped peach worm (Gelechia con- 
fusella), Benton Harbor, Mich., 1915 and 1916. 
Number of Number of Number of 
parasites. parasites. : parasites. 
Date of Date of Date of 
emergence. = emergence. = emergence. _ 
- ymen- . ymen- . ymen- 
Diptera. optera. Diptera. optera. Diptera optera 
1915. 1915, 1916. 
Aug. 12.. 0 3 Sept. 2 0 1 June 18 Cia Paes 
Aug. 13... 0 3 Sept. 3... 1 0 || June 23 os et eee 
Aug. 14... 0 1 Sept. 4 0 1 || June 25 IGE PRE Se eee 
Aug. 15... 0 4 || Sept. 10. 1 1 | June 29 OLN eees eee 2 
Aug. 17... 1 1 || Sept. 11 0 2 || July 2 IPA es emee sac 
Aug. 18. 0 1 Sept. 12 0 4 July 4 Sh ee eS eee 
Aug. 19. 0 2 || Sept. 14 2 0 || July7 HL OV es ee eters 
Aug. 21 0 2 Sept. 15 0 1 | July 10 WANA ES SERED 
Aug. 22 1 4 || Sept. 26 1 0 | July 12 Di) Soa tae 
Aug. 23 0 1 () 0 2 | July 13 6G EEL Eee 
Aug. 25.. 0 1 | . July 14... 91? Eases a 
Aug. 27 0 1 1916. () 17/9 || Sie SS 
Aug. 28 0 2, June 11... PyWlice met. 5s apre 
Aug. 29 0 1 June 13... OP, [tarsi shatters | Total... 108 40 
Sept 1... 0 1 June 15... Divalisecrere sty | 
1No record. 
The hymenopterous parasites were identified by Mr. R. A. Cush- 
man, of the Bureau of Entomology. Of 40 specimens submited, the 
different genera and species were represented as shown in Table XIII. 
Taste XIII.—Parasites reared from the striped peach worm (Gelechia con- 
fusella), Benton Harbor, Mich., 1915 and 1916. 
Number i 
A A - 4. | Stage of host col- Parasite 
Parasite, order and family. of nde lactone emerged from— 
HYMENOPTERA, 
ICHNEUMONIDAE. 
Angitia discoocellellae Vier......-..-.-..-.-.------ 20)\\"earvatessseeesae oe Pupa. 
Cremastus forbesii Weed .....--.-.---------------- eae GORE ao pcene ane No record. 
ChEMASTUSIS Dee ace sec eee ee aoe eee os eee eeee ieee doe sit eeeeeee Do. 
Epiurus indagator Walsh...........--.------------ 1 et lepers 0 eeeimoceonos Do. 
BRACONIDAE, 
VAR NICLESIOELCCILULCIN AC Gee eee ee eee ee eee eee Silicees (0 Ke ermonccoos Pupa. 
A scogaster carpocapsae Vier-...-..---------------- WO W\eSace Ona eneneeeee No record. 
Epirhyssalus atriceps Ashm.3 3,4 9 ...--.------- Uf |lscoos G@sessousscces Do. 
DIPTERA. 
TACHINIDAE— 
LELOTIStA PY SLOW Alka ss8 a deeipsace eee eee 2i\ecass GOne eee Reiss Pupa. 
Hrontinmanciila Wal kaa eet eee 61 | Larva and pupa... Do. 
BOMB YLODAE— } 
AMET OD CTOS Sa yaeeee cease aan seer eee 23) upaees saeee ee ee Do. 
