No. 4.] GYPSY MOTH — APPENDIX. 435 



lineata Say (Glover, Rep. U. S. Dep. Agr., 1866, p. 43, and 

 many other writers), Galerucella luteola Miill (Riley, Rep. 

 U. S. Dep. Agr., 1892, p. 167), Pieris r^apa', Linn. (Murt- 

 feldt, Rep. U. S. Dep. Agr., 1884, p. 417), Hyj^Jtanti-ia cunea 

 Drury (Walsh, Amer. Ent., vol. I., 1869, p. 59), Orgyia 

 leucostigma S. and A. (Howard, Bull. 5, Tech. Ser,, 1897, 

 p. 8), Garneades scandens Riley (Riley, First Rep. Ins. Mo., 

 1869, p. 77), Aletia argillacea Hbn. (Comstock, Rep. U. S. 

 Dep. Agr., 1879, p. 289), Oacoecia fervidana Clem. (Pack- 

 ard, Fifth Rep. U. S. Ent. Com., 1890, p. 194), Carpocapsa 

 pomonella luinn. (Le Baron, 3d, Rep Ins. 111., 1873, p. 184), 

 Gymnonychus oppendiculatus Hartig (Glover, Rep. U. S. 

 Dep. Agr., 1875, p. 118), 8elandria barda Say (Osborn, 

 Can. Ent., 1884, p. 151). 



Telenomus podisi Ashm. (Ashmead, Proctotrypidse, 1893, 

 p. 159) and Trissolcus podisi Ashm. (ibid., p. 163) have been 

 reared from the eggs of P. spinosus. 



PoDisus ACUTissiMus Stal. (Plate 1, fig. 5.) 



1870, Podisus {Tylospilus) acutissimus Stal, Enum. Hemipt., 



part I., p. 53. 

 1875, Tylospilus acutissimus Uhler, Bull. 6, vol. I., U. S. Geol. 



Surv. Terr., p. 283. 

 1880, Podisus acutissimus Distant, Biol. Cent. Am. Rhync., vol. 



I., pp. 40, 41, pi. II., fig. 22. 

 1895, Podisus acutissimus Gillette-Baker, Bull. 31, Col. Agrl. 



Expt. Station, Hemipt. Col., p. 12. 



Length, 9 mm. Very pale olive yellow, heavily punctate with 

 dark brown on posterior part of pronotum and lower part of 

 scutellum. Head somewhat narrowed anteriorly. Tylus longer 

 than lateral lobes, which" are obliquely rounded arid margined 

 with dark brown at their outer ends. Between the dark-brown 

 eyes and extending backward to the pronotum are two longi- 

 tudinal dark-brown markings. First segment of antennae small, 

 scarcely projecting beyond the lateral margin of head, pale yel- 

 low, darkened outwardly ; second segment of antennae slender, 

 dark brown ; third segment three-fourths as long as second, red- 

 dish yellow, dark brown at base ; fourth segment as long as third, 

 testaceous ; fifth segment two-thirds as long as fourth, testaceous, 

 darker toward the apex. Rostrum slender, reaching upon middle 

 coxae ; the second segment scarcely reaching the fore coxae, pale 

 amber colored. 



