388 Report of the Department of Entomology of the 



DESCRIPTION OF LIFE STAGES. 



Description of egg: (Fig. 15.) The main body of the egg is an elongate oval, about 

 .8 mm. in length and .4 mm. in width. One end is slightly narrower and bears a short, 

 slightly curved stalk or peduncle, which is from .16 to .19 mm. in length. The color 

 is a distinct yellow when the egg is first deposited, but soon becomes a light yellow 



or straw-color. The surface is minutely 



roughened so as to appear only semi-glossy, 



and when first laid is somewhat viscid. 



When placed in water the eggs sink readily. 

 Description of nymph. First instar: (Fig. 



17, a.) Vertex of head elongate; disk de- 

 pressed and bounded by lateral carinae 



which unite at the apex. Front with a 



broad groove bounded by parallel carinae 



which also meet at the apex. Apex with 



a short median carina. Below, the head 



is prolonged posteriorly; beak apparently 



arises from between the anterior coxae. 



Thorax broad. Sides of j>ronotum with 



anterior edge bent abruptly downward 



behind the eyes, these parts in later stages 



becoming rounded lateral plates. Each 



segment of thorax with a pair of carinae close 



to median line, and the meso- and meta- 



thorax have another pair more widely sep- 

 arated. Abdomen rounded; with eight 



complete segments. The last three are 

 strongly bent forward in the middle, the last being shaped like an inverted U, and 

 each bears a small gland at the lateral edge, which develops a brush of white waxy 

 filaments. 



Color. — Head with pale ground color and brown markings. Thorax dark brown 



Fig. 15.— Egg 

 from Body 

 op Female. 



Fig. 16. — Egg Covered 

 with Sand and Dirt 

 (usual condition). 



a." b. c. 



Fig. 17. — Dorsal View of Nymph of Cranberry Toad-bug. a, First instar; 



b, second instar; c, third instar. 



above; paler near median line. Abdomen mostly pale. The first five segments may 

 be specked with brown or have white spots on a pale brown ground color. Legs white. 

 Antennae pale brown. 



Size. — Length about 1 mm.; width about .5 mm. 



