TRIBE VIII. TYCHIINI. 243 



than head and thorax, very slender, strongly curved, nearly smooth; an- 

 tennae inserted at apical two-fifths, male, just behind the middle, female. 

 Thorax twice as wide as long, sides strongly rounded, disc finely and densely 

 punctured, subcarinate. Elytra elongate-oblong, one-fourth wider at base 

 than thorax, striae impressed; intervals nearly flat, the third and fifth 

 wider and a little more convex. Male with fifth ventral medially impressed 

 and pygidium very large and conspicuous. Length 3.3 3.8 mm. 



Posey Coimty, Ind., rare. Bloomsburg, Trenton and South 

 Jersey, N. J., August G Sept. 3. Ranges from Ontario and New 

 Jersey to Illinois, south to Kentucky and District of Columbia. 

 Breeds in seeds of ash. 



III. PLOCETES Lee., 1870. (Gr., "curled" + "form.") 



Beak stout, as long as thorax, ea.rina.te, coarsely and densely 

 punctured and with three fine elevated lines on each side; an- 

 tennae inserted one-fourth from its tip, scape not quite reaching 

 eyes, funicle T-jointed, first joint stout, as long as the next three 

 united, second slightly longer than third, 3 7 subequal ; third 

 and fourth ventrals but little shorter than first and second, fifth 

 one-half longer than fourth; pygidium covered; legs stout, femora 

 with a small tooth beneath; tarsal claws with a long, slender 

 tooth not bent inwards. One species is known. 



353 (8691). PLOCETES TJLMI Lee., 1876, 213. 



Elongate-oval. Black, clothed with small brown and piceous scale-like 

 hairs; elytra with an irregular transverse band of white pubescence on 

 apical third, the hairs more dense near the suture; scutellum white; an- 

 tennae and legs dark reddish-brown. Thorax scarcely wider than long, sides 

 feebly rounded, narrowed in front of middle; disc densely and deeply punc- 

 tured and with a narrow smooth median line. Elytra conjointly oval, 

 subdepressed, nearly one-half wider than thorax; striae fine, their punctures 

 quadrate; intervals flat, densely rugose. Length 3.5 4 mm. 



Frequent throughout Indiana ; May 11 June 22. Taken on 

 leaves of sedge near borders of ponds. Batavia and West Point, 

 N. Y., June 3. Occurs throughout New Jersey, June July. 

 Ranges from New York to Michigan, south to Florida. "On elm, 

 making a similar noise to the plum curculio." (Riley.} On the 

 button-bush, CephalantJuis oc<-i<l<'iil<ilis L. (Ulke.) The basal 

 half of elytra is brown, the apical half largely velvety-black. 



IV. CHIONANTHOBIUS Pierce. 101 2-b. ( Gr., "snow blossom" -j- "to 



live on.") 



Beak slender, cylindrical, curved, as long as thorax, male, as 

 head and thorax, female; antenna* inserted at apical third, male, 

 at middle, female, funicle 7-jointed, the first joint as long as the 



