44 8 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



and female, 24 July, 1910, Hamden (B. H. Walden). New Jersey — Female, 

 19 July, 1908. Ramsey (Wm. T. Davis). North Carolina — Female, 20 

 July, Tryon (W. F. Fiske), collected at light. 



P. delicatus (Uhler). 



Ent. Amer., iii, 34, 1887. 



Length 3.3 mm., width 1.4 mm.; reddish yellow to brownish, 

 antennal segment i except extreme tip, and a ring at base of seg- 

 ment ii, dark fuscous ; front of head more or less dark each side 

 of median line; hemelytra, sternum, and abdomen, shaded with 

 fuscous, sometimes the basal margins of calli quite dark; scutel- 

 lum yellowish, usually with basal angles dark and thus leaving 

 median line pale; membrane lightly shaded with fuscous, an area 

 near middle and spot each side adjacent to apex of cuneus, clear ; 

 legs pale yellowish to fulvous, two rows of spots on femora, tibial 

 spines and spots at base, apices of tarsi and claws, black. 



Occurs on honey locust (Gleditsia triacanthos) . 



New York. 

 Plagiognathus caryae Knight, new species. 



Male: Length 3.9 mm., width 1.44 mm. Head : Width .72 mm., 

 vertex .31 mm. ; yellowish to fulvous, tylus and lower half of face 

 blackish. Rostrum, length 1.28 mm., just attaining hind margins 

 of middle coxae, yellowish, basal and apical segments becoming 

 blackish. 



Antennae : Segment i, length .23 mm., black, extreme apex pale ; 

 ii, 1.02 mm., yellowish, black annulus at base, the apex becoming 

 dusky; iii, .61 mm., pale yellowish and becoming dusky; iv, 

 .36 mm., like the preceding. 



Pronotum: Length .61 mm., width at base 1.19 mm.; dark 

 brownish black, central area of disk, and calli more or less, 

 yellowish to fulvous. Scutellum yellowish to fulvous, median line 

 rather broadly, and the mesoscutum, brownish black. Sternum 

 and pleura blackish, ostiolar peritreme only slightly paler. 



Hemelytra : Embolar margins nearly straight ; brownish black, 

 more or less broadly each side of claval vein, bordering radial vein 

 from base to apex, basal margin and inner angle of cuneus, anal 

 ridge, and usually basal half of embolium, yellowish translucent 

 to fulvous ; clothed with rather fine, pale golden pubescence. 

 Membrane fuscous, sometimes slightly paler on middle, small spot 

 adjacent to apex of cuneus clear, veins yellowish. 



Legs : Pale yellowish and tinged with dusky ; femora with two 

 rows of black spots on anterior face, larger and darker on hind 

 pair ; tibial spines with black spots at base but becoming obsolete 

 near apices. Venter black, very finely yellowish pubescent. 



Female: Length 3.4 mm., width 1.53 mm.; more robust than 

 the male, very similar in coloration but frequently the pronotum 

 more broadly pale. 



Holotype: Male, 22 June, 1920, Ithaca, N. Y. (H. H. Knight) ; author's 

 collection. Allotype: same data as the type. Paratypes : Males and 



