SUBFAMILY IX. — PHYLIN^E. 919 



I. Macrotylus Fieber, 1858, 325. 



Elongate, pubescent species having the head feebly exserted, 

 its front subvertical ; tylus prominent, viewed from the side 

 strongly curved ; beak reaching hind coxae, its first joint slight- 

 ly surpassing base of head ; antennae slender, about half the 

 length of body; pronotum trapezoidal, its sides straight with 

 margins carinate, hind margin straight ; mesoscutum nar- 

 rowly exposed ; elytra entire, surpassing abdomen, sides sub- 

 parallel ; legs long, slender, tibiae finely spinulose. Two of the 

 ten known American species occur in the eastern states. For 

 a monograph of the genus see Van Duzee, 1916c. 



KEY TO EASTERN' SPECIE'S OF MACROTYLUS. 



a. Color fuscous-black; head dull greenish-yellow; basal spot of cuneus 



sometimes yellow; length, 3 mm. 1021. sex-guttatus. 



aa. Color pale greenish-yellow; membrane and a bar on middle of cuneus 



blackish, strongly contrasting with the pale spots; length, 2 — 2.4 



mm. 1022. amcenus. 



1021 (1200). Macrotylus sex-guttatus (Provancher), 1887, 150. 



Fuscous-black, opaque; upper surface rather thickly clothed with 

 short blackish hairs; head green or greenish-yellow, shining; cuneus 

 with a large oval yellowish or white translucent spot at base, the apex 

 also white; membrane with a large whitish-hyaline spot each side of 

 apex; legs fuscous-black, apical half of tibiae and middle of tarsi pale 

 brownish-yellow. Joint 1 of antenna? black, reaching tip of tylus; 2 

 fuscous-black, apical fourth dull yellow, three and a half times as long as 

 1; 3 and 4 dusky, 3 two-thirds the length of 2, twice as long as 4. Elytra 

 surpassing abdomen by three-fourths the length of membrane. Length, 

 3—3.2 mm. (Fig. 167, b) . 



Ottawa, Ontario, June 30 (Van Duzee). Cook Co., Minn., 

 Aug. 14 (Minn. Unit: Coll.) . Recorded from Quebec, Ontario, 

 New England and New York. Breeds on Aster. 



1022 (1201). Macrotylus amosnus Reuter, 1909, 75. 



Dull greenish-yellow; inner basal angle and apjcal half of cuneus 

 and a spot on sides of apical third of membrane, ivory-white; an oblique 

 bar across middle of cuneus velvety-black; membrane, except pale spot 

 on sides, dark brown; femora dull yellow, the upper edge with a black 

 stripe; tibiae and tarsi fuscous or black; under surface dull yellow, the 

 genital region dark brown, shining. Antennae fuscous, the incisures pale, 

 joint 2 as long as width of basal margin of pronotum. Pronotum twice 

 as wide at base as long; width of apex subequal to length of middle of 

 disk. Length, 2 — 2.5 mm. 



