3IO ENTOMOLOGICAL NEWS. [July, 'l6 



2nd stage nymph. Length 0.64 mm., greatest width 0.44 mm. (ex- 

 clusive of tubercles). Ventral surface similar in color to that of the 

 first stage; dorsal surface somewhat darker; antennae pale as in first 

 stage except for the apical ends of the distal segments which are dark- 

 er; head lighter medially; bases of legs darker than in first stage. En- 

 tire appearance of this stage is smoky brown with light ashen specks 

 due to numerous secreting hairs from which hang clear drops of a 

 somewhat sticky liquid. 



yd stage nymph. Length 0.92 mm., greatest width 0.62 mm. (ex- 

 clusive of tubercles). Ventral surface darker and markings more pro- 

 nounced except medially and laterally; dorsal surface brownish red; 

 distal segment of antenna darker ; legs darker ; head lighter, eyes dark 

 brown ; ashen specked appearance more pronounced. 



4//z stage nymph. Length 1.28 mm., greatest width 0.86 mm. (ex- 

 clusive of tubercles). Ventral surface slightly darker; legs, except 

 tibiae, smoky brown; tibiae pale; antennae light brown except apex of 

 penultimate and antepenultimate segments. Dorsal surface pale brown- 

 ish red except medial parts of the abdomen, thorax and wing pads. 

 Head pale brownish red. Specked, ashen appearance very pro- 

 nounced. 



$th stage nymph. Length 1.84 mm., greatest width 1.22 mm. (ex- 

 clusive of tubercles). Similar to preceding stage except that the dark 

 markings are more pronounced and the wing pads are dark at the an- 

 terior and posterior edges. Specked ashen appearance very pro- 

 nounced. 



Adult (from Vol. I, Complete Writings of Thomas Say on the Ento- 

 mology of North America, edited by John L. Le Conte) : 



Tingis mutica Thorax and scutel with a single line, hemelytra with 

 a brown spot. Inhabits Indiana. 



Body grayish brown, unarmed, not dilated on the margin ; with much 

 dilated punctures; antennae, second joint rather thicker than the first; 

 thorax with a paler, slender, glabrous line and paler line each side ; 

 scutel with a paler line on the middle and a short one each side, not 

 elevated; hemelytra like the thorax with dilated approximate punc- 

 tures; on the middle an obvious darker, irregular spot or band; mem- 

 brane reticulate with brown ; beneath dusky, tibiae paler. Length to 

 tip of hemelytra over one tenth of an inch. 



EXPLANATION OF PLATE XVI. 

 (R. S. Patterson del.) 



Fig. I, egg. Fig. 5, fourth stage nymph. 



Fig. 2, first stage nymph. Fig. 6, fifth stage nymph. 



Fig. 3, second stage nymph. Fig. 7, adult. 

 Fig. 4, third stage nymph. 



