174 



numerous references to this phase see Caudell, Jour. N. Y. Ent. Soc, 

 1901, \'ol. g, p. 3. The young feed upon plant-hce. 



Phymatid^ 



Phvinata fasciata Grav (icolffi Stal). Ambush or Stinging Bug. 

 (PI. XLII, fig. 4') " 



This is one of the most abundant and characteristic of prairie 

 insects. It was taken from the flowers of the swamp milkweed. 

 Asclepias iucarnata (Sta. I, g), Aug. 8 (No. i); among the same 

 flowers, at Station \,d, Aug. 9; on goldenrod, Solidago (near Sta. 

 1,0-), Aug. II (No. 20); and again on goldenrod (Station I) 

 Aug. 12 (No. 43), in copula, and with an empidid fly in its clasp; 

 on flower of mountain mint, Pycnanthcmuni flcxitosmn (Sta. I), 

 Aug. II (No. 24); from goldenrod (Sta. I) Aug. 12 (No. 26); 

 in sweepings from the colony of LepacJiys pinnata (Sta. I, e) Aug. 

 12 (No. 40) ; from the flowers of the mountain mint, P. flexuosiiui, 

 on the Loxa prairie (Sta. II) Aug. 13, with a large beefly, Exo pro- 

 se pa fasciata, in its clutches (No. 57) ; on the following flowers 

 (Sta. II) Aug. 13 — rosinweed, Silphiuin integrifolium (No. 48), 

 mountain mint PycnanthcnuDU pilosimi and P. flexiiosum (No. 52), 

 Culver's-root, Veronica zirginica (No. 54), and rattlesnake-master, 

 Bryngiuni yuccifolinin (No. 55) ; in the partly cleared area north of 

 Bates woods (Sta. IV) in flowers of the mountain mint P. pilosuni 

 Aug. 23 (No. 146) ; and on the Loxa prairie, at telegraph pole No. 

 12323 (Sta. II), on the flowers of rattlesnake-master Aug. 27 (No. 



178). 



At May view, 111., in a colony of prairie vegetation, one speci- 

 men was taken by Miss Ruth Glasgow with the butterfly Pontia pro- 

 todicc Sept. 26, 1912; a second had captured a dusky plant-bug, 

 AdclpJiocoris rapidus Say. At the same time and place Miss Grace 

 Glasgow took from a flower another bug with the bee-fly Sparnopo- 

 liiis fidinis Wied. This fly is parasitic on white-grubs, LacJinosterna 

 (Forbes. '08. p. 161). Among prairie vegetation at St. Joseph, 111., 

 Sept. 26, 191 1, I took from a flower an ambush bug with a large 

 cutworm moth, Fcltia suhgotJiica Haw. (No. 302, C.C.A.). (PI. 

 XLIII, figs. I and 2.) 



Packard {^"J^, p. 211) records that Phyniata fasciata had been ob- 

 served feeding upon plant-lice on linden trees in Boston, and Walsh 

 (Amer. Ent., Vol. i, p. 141. 1869) states that it feeds habitually 

 upon bees and wasps, and shows skill in avoiding their sting. Cook 

 (Bee-keeper's Guide, ninth ed., pp. 323-324, 1883) reports that it 

 destroys plant-lice, caterpillars, beetles, butterflies, moths, bees, and 



