No. 34-] HEMIPTERA OF CONNECTICUT: MIRIDAE. 493 



*D. pinicola Knight. 



i8th Rept. State Ent. Minn., 162, 1921. 



Lengtli 5.7-6 mm., width 2.6-2.9 mm. ; calli margined or lined 

 with black, antero-lateral angles invaded with pale, median line of 

 front and just before calli pale to ivory-white ; general coloration 

 pale to grayish and darkened with blackish, not at all tinged with 

 brownish (fig. 60). 



Occurs on Pinus strobiis; predaceous on Chermes pinicorticis 

 Fitch. 



Hartford, July (M. P. Z.) ; Killingworth, 27 June, 1920 (W. E. B.) ; 

 New Haven, 16 June (M. P. Z.), 11 July (W. E. B.). 



D. laricicola Knight. 



i8th Rept. State Ent. Minn., 164, 1921. 



Length 6-6.5 mm., width 2.7-2.8 mm. ; very suggestive of 

 pinicola but slightly larger and more elongate, differs in the 

 prominent exserted hairs on antennae and in the structure of the 

 genital claspers (fig. 61). 



Occurs on larch (Larix laricina). 



Massachusetts, New York, 

 D. kennicotti Knight. 



i8th Rept. State Ent. Minn., 166, 1921. 



Length 5.7-6.8 mm., width 2.7-2.8 mm. ; very much resembling 

 and closely related to laricicola but having the dorsum distinctly 

 hairy; structure of the male genital claspers very distinctive 



(fig. 62). 



Maine. 

 D. nigritulus Knight. 



II Camptohrochis nigrita Reuter, Acta Soc. Sci. Fenn., xxxvi, No. 2, 55, 

 1909. 



18th Rept. State Ent. Minn., 170, 1921. 



Length 5.9-6.4 mm., width 2.9-3.1 mm. ; subovate, hemelytra 

 only very slightly convex, dorsum distinctly hairy, legs thickly 

 clothed with long erect hairs ; dark sepia brown to blackish, the 

 subtranslucent parts stained with brownish (fig. 6^). 



Occurs on Pinus virginiana. 



Maryland. 

 D. albigulus Knight. 



i8th Rept. State Ent. Minn., 171, 1921. 



Length 6.5-7.1 mm., width 2.9-3.1 mm.; closely related to 

 nigritulus but differs slightly in coloration and in structure of the 

 male genital claspers; dark fuscous to black, basal half of hem- 

 elytra more or less pale between punctures, the paler areas not 

 stained with brownish; front coxae, xyphus, lower margins of 

 propleura, ostiolar area, gula, sides of tylus, juga, and arcuated 

 streak just above on each side of front, pale (fig. 64). 



Occurs on Pinus sylvestris and P. resinosa. 



New York. 



