56 ENTOMOLOGICAL NEWS. [Feb., 'lO 



the ninth, there is a curiously shaped, doubly curving darker band, 

 ending internally in a dark blotch, ninth segment uniform clear tawny 

 brown, with a row of short hairs along the posterior margin, and a 

 submarginal double frings of very fine short hairs on the dorsal sur- 

 face, posterior angles of abdomen rather prominent, colorless, and 

 with about three stout hairs ; about twelve stout hairs along posterior 

 margin of each abdominal segment. Legs rather stout, concolorous 

 with body, and with a few short hairs. 



From Dryobates pubesccns. This form is very different 

 from any species of Menopon heretofore described from any 

 of the woodpeckers and seems to have no near relative. 



Genus NITZSCHIA Denny. 

 Nitzschia latifrons sp. nov. (Fig. 4). 



Male. Body, length, 1.45 mm.; width, .53 mm.; clear fulvous brown, 

 darker on the abdomen, and with a few narrow dark brown bands on 

 the head, thorax and broad lateral bands on the abdomen. 



Head, length, .32 mm. ; width, .43 mm. ; front broad, very flatly 

 rounded, and with the lateral angles very pronounced, sides slightly 

 diverging, sinuate, with the palpi projecting for nearly entire apical 

 segment ; front with two short hairs, lateral angles with two, and two on 

 each side, ocular fringe long and strong, eye concealed by a black 

 fleck, temples expanded, rounded, with two long and two shorter 

 hairs; occipital margin concave, occiput convex, without hairs, mandi- 

 bles small, pointed, pitchy at tips ; short curving bands from base of 

 mandibles to lateral frontal angles ; ocular bands narrow, curving, and 

 extending from eye to root of mandible. 



Thorax longer than head (.48 mm.), broadest at posterior angles 

 of metathorax; lateral angles of prothorax prominent, rounded, with 

 one heavy spine, narrow lateral marginal bands, posterior margin ex- 

 tending over mesothorax, flatly convex and with four short hairs. 

 Mesothorax with the anterior angles and margin heavily colored, the 

 sides diverging and posterior margin angulated in the median portion. 

 Metathorax scarcely longer than mesothorax, sides diverging, lateral 

 angles broadly rounded, with one spine, and the posterior margin 

 transverse, and furnished with a row of short, slender hairs ; posterior 

 portion of segment more heavily colored than the anterior portion and 

 mesothorax; lateral margins with narrow darker bands and with bands 

 curving inward and backward from the lateral margins, and extending 

 nearly across the first abdominal segment. 



Abdomen slightly oval, rather small, with heavy, almost continuous 

 transverse bands and heavier lateral bands ; region of sutures clearer ; 

 lateral angles rounded, not prominent and furnished with three short 



