36 CLASSIFICATION OF THE SUBFAMILY CRYPHALINA. 
Stephanorhopalus nulodori, new species. 
CP Tede hier) 
Length, male type, 1.15 mm.; body short elliptical, light yellowish-brown; pro- 
notum darker, glabrous, slightly broader than long, with sides rounded from base to 
apex, the rugosities confined to the apex of the median area and in three concentric 
rows, apical margin faintly produced, with four small teeth; head small, front convex, 
shining; elytra shining, glabrous toward base, vertex and declivity with rows of erect 
yellow scales, striz not impressed, obscure but with faint shallow punctures, inter- 
spaces obscure, smooth, declivity steep, evenly convex, apex rounded. Sexual 
characters: Male with apex of seventh abdominal sternite armed with four rather prom- 
inent teeth; female, apex of abdominal sternite broadly rounded, front opaque and 
faintly punctured. Calapan, P. I., in bark of dead twigs of Nulodorum fulgens, 
June 22, 1903; J. L. Webb collector (No. 47), Type, Cat. No. 7600, U. S. National 
Museum. 
Genus TRYPOPHLOEUS Fairmaire. 
Antennal funicle 5-jointed, joint 5 broad; club compressed, elon- 
gate oval, with three nearly straight sutures, distinct on anterior 
face and obscure or absent on posterior face; eyes short oval, nar- 
rowly emarginate. Malesnotsmallerthanfemales. Elytral declivity 
with or without secondary sexual characters. 
I. Pronotum and elytra of equal width, and elytral strize obscure on dorsal area. 
A. Elytra with fine scales and rows of much coarser ones. 
DelsMonterCal im Sale spec ess Ne eee a eae eer ee salicis. 
aston, “Wash Pee Sr Beers aC eee eee ce ee cere eneee ee eee concentralis. 
Europe, in Populus tremuloides..........---- binodulus Ratz. (Pl. I, fig. 12.) 
B. Elytra with densely placed, fine scales but without rows of interspacial ones. 
Willams, Ariz. Populus tremuloudes: 23222 ee populi, page 37. 
II. Pronotum slightly narrower than elytra; elytral striz distinct and punctured on 
dorsal area. 
Murope, tn Alas Spice oe cee ce ec ae pe et eee ee ern ee eae ean <alni Lind.> 
mltay Witalh es Ses oF. Tete ee ee eee ee punctipennis, page 37. 
Burope; in Populus alba. 752555 o2 oe eee eee ete ene granulatus Ratz. 
Trypophloeus salicis, new species. 
Length, female type, 1.7 mm.; body oblong, dark brown; pronotum darker, short, 
sides rounded from base to apex, anterior margin slightly produced, with four equal 
apical teeth and two smaller ones, anterior rugosities in irregular rows; front oblong, 
flattened, subopaque, with anterior shining space; elytral declivity oblique, without 
granules, with apex not broadly rounded. Del Monte, Cal., in Saliz sp., September 4, 
1902; author, collector; Hopk. U. S. No. 1092. Type, Cat. No. 7395, U. S. National 
Museum. 
Male without distinctive characters. 
Trypophloeus concentralis, new species. 
Length, male type, 1.8 mm.; body oblong, moderately stout, dark brown; anterior 
margin of pronotum produced, with twelve marginal teeth decreasing in size from the 
three apical ones, and with a broad space between the apical margin and rugose area, 
anterior rugosities closely placed and in a regular row, the succeeding ones in approxi- 
mate rows; front subopaque, with broad median shining impression; elytral declivity 
with granules, interspaces with fine granules, stris evident. Easton, Wash.; A. Koe- 
bele, collector. Type, Cat. No. 7398, U.S. National Museum. 
