620 FAMILY IV. SCOLYTIDJE. 



shining, scarcely punctured. Front subopaque, with median line. Elytra, 

 shining, with strial punctures distinct on dorsal area but obscure on 

 lateral area, interspaces smooth, shining, scarcely punctured; declivity 

 subconvex, shining, granules of interspaces 1 and 3 moderately coarse, 

 interspace 2 flat, with strial punctures obscure; posterior lateral margin 

 faintly sparsely serrate. Length, female, 2.45 mm. 



Biscayne Bay, Florida, February 7. (Hu'b'bard & Schivarz.) 



990 (' ). XYLEBORUS SCHWARZI Hopkins, 1915-a, 65. 



Elongate-elliptical. Ferruginous. Pronotum elongate, with sides par- 

 allel, posterior dorsal and lateral areas shining, scarcely punctured. Front 

 moderately broad, subopaque, with impressed punctures and median shin- 

 ing spot. Elytra shining, with strial punctures fine, but in distinct rows; 

 interspaces flat, with approximate rows of punctures; declivity subcon- 

 vex, shining, interspace 1 with row of moderately coarse granules, 3 with 

 two or three granules, interspace 2 flat, punctures evident; posterior 

 lateral margins not serrate. Length, female, 2.8 mm. 



Key West, Florida, April. (Hubbard & KcJnrarz.) 



991 (- -). XYLEBOKUS HOWARDI Hopkins, 1915-a, 65. 



Oblong-elliptical. Dark ferruginous. Pronotum with sides parallel, 

 posterior dorsal and lateral areas shining, scarcely punctured. Front 

 flat, subopaque, with median line. Elytra shining, with strial punctures 

 moderately coarse and in distinct rows, interspaces flat, with row of fine 

 punctures; declivity convex, moderately steep, shining, interspaces 1 and 

 3 not elevated but armed with rows of granules; posterior lateral margin 

 obtuse, not serrate. Male, body elongate. Pronotum with dorsal area 

 broadly rounded from base to apex, which is slightly produced but without 

 apical tubercles, anterior area slightly flattened but not impressed and 

 with fine dorsal line extending from apical margin to beyond middle; 

 anterior area faintly rugose, posterior dorsal and lateral areas shining 

 and punctured. Elytra slightly narrower than prothorax, with punctures 

 subconfused; declivity convex, moderately oblique, with a few granules, 

 surface rugose, pubescent. Length, female, 2.35 mm.; male 1.95 mm. 



Washington, D. C. This and the following species are closely 

 allied to xylograplms Say, differing especially in the smaller 

 size, the latter varying from 2.5 2.7 mm. 



992 (- -). XYLEBORUS FITCIII Hopkins, 1915-a, 66. 



Oblong-elliptical. Dark reddish-brown. Pronotum with sides slightly 

 narrowed toward base, dorsal tubercles prominent, subcarinate, posterior 

 dorsal and lateral area smooth, shining, faintly punctured. Front convex, 

 subopaque, faintly punctured, with faint median line. Elytra shining, 

 strial punctures fine, faintly impressed, distinct; interspaces with rows 

 of very fine, closely placed punctures; declivity convex, rather steep, with 

 strial punctures moderately distinct, interspaces 1 to 3 flat, armed with 

 a few granules, posterior lateral area obtuse, not serrate. Length, female, 

 2.45 mm. 



Hyslop, Long Island, N. Y., in Piuus sp. ; July 25. 



