112 PKOCEEDINGS OF THE NATIONAL MUSEUM vol.68 



Male. — Differs from the female in having 15-segmented antennae, 

 filiform like those of female, length of third to fourth as 15 : 12, 

 slightly flattened on outer side but almost straight. Abdomen as 

 long as thorax, only the fused second and third tergites visible in 

 side view. 



Lenth 2.3-2.5 mm. Average of 3 specimens 3.38 mm. 



Type.—C&i. No. 27225, U. S. N. M. Type female, allotype, and 7 

 female paratypes. One male and 7 female paratypes in collection of 

 Prof. C. F. Baker, Los Bahos. One female paratype at American 

 Museum. 



Habitat. — Baguio, Benguet, Island of Luzon in Philippines 

 (Baker). Collected at Haight's place at 8,000 feet in mountains 

 near Baguio. Crawling on leaves on forest floor among oaks in 

 freezing weather. No oak galls seen. 



SAPHONECRUS AREOLATUS, new species 



Female. — Differs from serratus in the absence of vertical ridges 

 above the antennae, in the less sharply ridged mesoscutum, the trans- 

 verse ridges not being distinctly higher anteriorly, the parapsidal 

 grooves narrow, deep and distinct, not so much lost in the sculpture, 

 median more distinct posteriorly. The transverse groove at base 

 of scutellum without longitudinal ridges and indistinctly divided 

 into two pits. Fore wing with a distinct areolet reaching one-fifth 

 way to basal. Abdomen with punctation on hind border of big ter- 

 gite almost entirely wanting, visible only under high magnification, 

 ventral valves protruding obliquely. Length of two specimens 3.1 

 and 3.2 mm. 



Male. — Distinguished from the male of serratus by same differ- 

 ences in sculpture mentioned above for the female and also by tlie 

 shorter, stouter antennae, the third segment more distinctly excised. 

 Length of 3 specimens, 2.3, 2.65 and 2.65 mm. 



Type.— Cat. No. 27226, U.S.N.M. Type female and allotype. 

 One male and one female paratype in collection of Prof. C. F. 

 Baker, Los Banos. 



Habitat. — Baguio, Benguet, Island of Luzon in the Philippines 

 (Baker). Collected at Haight's place with preceding species. 



SYNERGUS CASTANOPSIDIS (Beutcnmueller) 



Periclistus caHtanopftUliH Beutknmufller, Ent. News, vol. 21), 1918, p. 251. 



A paratype female in the National Museum is a Synergus to which 

 genus the species is here transferred. 



Genus EUCEROPTRES Ashmead 



This genus was proposed in 1896 for Euceroptres primus Ashmead 

 whose type female was reared as a guest in a gall on scrub oak. 



