794 FAMILY XXIX. — MIRHXffi. 



New Haven, Conn., June 22 — Sept. 28 (Walden). Ramsey- 

 Co., Minn., June 15 {Minn. Univ. Coll.). Described from Penn- 

 sylvania. Recorded elsewhere only from Massachusetts and 

 New York. Occurs on white ash in June and July. 



Tribe III. MYRMECORINI Kirkaldy, 1906, 372. 



This tribe contains but two genera and comprises slender- 

 bodied, dull colored Mirids of medium size possessing the char- 

 acters given under aa in the Key to Tribes of Capsinae, p. 681, 

 and having the head porrect its front strongly vertical, vertex 

 with a groove or median impression ; antennae slender, as long 

 as or longer than body ; beak reaching or surpassing hind coxae; 

 pronotum subcampanulate, its posterior portion strongly con- 

 vex, more or less flaring; elytra long and slender, distinctly 

 constricted near middle. 



KEY TO EASTERN GENERA OF MYRMECORINI. 



a. Joint 1 of antennae nearly one-half longer than greatest width of 

 head; scutellum not conically produced; upper surface with fine, 

 short pubescence. I. Paraxenetus, p. 794. 



aa. Joint 1 of antenna? but little longer than width of vertex; scutellum 

 conically produced upward ; upper surface, especially the prono- 

 tum and scutellum, with long erect hairs. II. Barberiella, p. 795. 



I. Paraxenetus Reuter, 1907, 46. 



Elongate, slender, subcylindrical species having the head 

 short, broad, slightly exserted, but little prodced in front of 

 eyes, its front vertical ; eyes very large, longer than wide ; an- 

 tennae one-third longer than body, very slender, not tapering; 

 beak reaching first ventral ; pronotum subcampanulate, its 

 front portion subcylindrical, without lateral carinae, hind lobe 

 strongly convex; elytra entire, surpassing abdomen, constricted 

 at middle ; legs long and slender, joints 1 and 3 of hind tarsi 

 subequal, 2 shorter. One species is known. 



835 (919). Paraxenetus guttulatus (Uhler), 1887c, 150. 



Elongate, subcylindrical. Pale brown, when fresh usually more or 

 less tinged with reddish; basal half of pronotum, scutellum and apical 

 third of corium often fuscous-brown, cuneus with a small vague yellow 

 spot at base; joints 1 — 3 of antennae, tibia?, tip of scutellum, a dot on 

 corium near tip of commissure, hind coxae and ventrals 1 and 2, pale 

 straw-yellow; membrane pale at base, fuscous toward apex; femora 

 pale reddish-brown, their apical halves more or less tinged with fus- 

 cous, the hind ones with apical third vaguely annulate with yellow; ven- 

 trals 3 — 6 fuscous. Joint 1 of antennae as long as head and pronotum 

 united, 2 nearly two and a half times longer than 1, 3 four-fifths the 



