620 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [BuU. 



ness .26 mm., coloration and type of hairs similar to that of female ; 

 ii, 3.23 mm., slender, uniformly yellowish, narrowly reddish at 

 base and tinged with brownish at apex; iii, 2.31 mm., yellowish; 

 iv, missing. Pronotum, length 1.17 mm., width at base 1.81 mm. 

 Venter: Chiefly reddish, genital segment becoming fuscous on 

 base; tubercle above base of left genital clasper more prominent 

 than that of lasiomerus, also a slight tubercle above base of right 

 clasper. 



Holotype: Female, 12 Aug., 1920, Wanakena, N. Y. (C. J. Drake); 

 author's collection. Allotype: 15 Aug., 1907, Roque Bluff, Me. (J. A. 

 Cushman). 



P. ulmi (Linnaeus). 



Cimex ulmi Linnaeus, Syst. Nat, Edn. 10, 449, 1758. 

 Reuter, Hem. Gymn. Eur., v, 281, pi. ix, fig. 5, 1896. 



General aspect very suggestive of pallidicornis but distinguished 

 at once by the more slender antennal segment i. 



Male: Length 8 mm., width 2.5 mm. Head: Width 1.08mm., 

 vertex .46 mm. ; chiefly reddish, paler on vertex, tylus and just 

 above base fuscous and set with prominent black hairs. Rostrum, 

 length 3.77 mm., attaining base of fifth abdominal segment, 

 yellowish to reddish, apex blackish. 



Antennae: Segment i, length 1.54mm., thickness .114mm., 

 thicker at apex (.143 mm.), pale, brownish on dorsal aspect but 

 broken into spots by irregular white glabrous areas, brownish 

 pubescent and beset with several dark bristles which in length 

 about equal thickness of segment; ii, 3.26mm., slender, pale to 

 yellowish, finely pale pubescent ; iii, 2 mm., yellowish, scarcely 

 darker apically ; iv, 1.36 mm., pale fuscous. 



Pronotum: Length 1.28mm., width at base 2. 11 mm.; reddish 

 to dusky, darker on disk bordering the slenderly pale basal margin ; 

 clothed with yellowish pubescence and intermixed with short black 

 hairs, anterior margin and collar beset with black bristles. Scutel- 

 lum pale to yellowish, with reddish spot each side of median line 

 on apical half. Sternum and pleura dark reddish to fuscous ; 

 ostiolar peritreme white. 



Hemelytra: Embolar margins only very slightly arcuate; yel- 

 lowish testaceous and darkened with reddish, the red color develop- 

 ing most strongly on apical half of cuneus, along claval veins, line 

 on corium parallel to claval suture, and in spots along embolium; 

 clothed with yellowish pubescence and intermixed with short black 

 hairs. Membrane thickly conspurcate with fuscous, spots con- 

 fluent on apex, a rather large pale area just beyond apex of cuneus 

 but inclosing a fuscous spot set on margin ; veins red. 



Legs : Nearly as in lasiomerus. Venter dark reddish to fuscous ; 

 genital segment without indication of a tubercle above base of left 

 clasper. 



Female: Length 7.1 mm., width 2.4 mm. ; pubescence and color- 



