194 The Ohio Journal of Science [Vol. XVI, No. 5, 



Thamnotettix pentzia sp. n. (PI. IX, Fig. 1). 



General color brownish, somewhat smoky. Length of 



female 4.5 mm; male 4 mm. Breadth 1.35 mm. 



Vertex about half the length of the pronotum; disk flat and sloping, 

 width between the eyes greater than the length on the middle, color 

 whitish marked irregularly with fuscous. Eyes large, dull reddish, 

 extending back almost to the middle of the lateral margin of the prono- 

 tum; ocelli red, located near the eyes. Color of face, a dirty white with 

 indistinct brown arcs on the frons, the lora^ brownish next the clypeus; 

 width of frons at the eyes shorter than the length; clypeus a third of the 

 length of the frons, rectangular in shape, its length being twice that of 

 its breadth; loras as wide as the clypeus. Antennas long, inserted 

 deeply, the point of insertion being brownish. Pronotum twice as wide 

 as its length, color bluish white with many transverse markings of a 

 brown color and a distinct pattern; lateral margins yellowish, below 

 black. Scutellum not quite as long as the pronotum, wider than long; 

 with two prominently brown spots alongside the middle, and two yel- 

 lowish markings at the basal angles, otherwise dirty white. Elytra 

 white with the brownish pattern, very long, the appendix narrow, the 

 margins transparent and without brown markings on the corium as far 

 as the apical cells. Abdomen above black, whitish on the lateral mar- 

 gins, and black beneath. GenitaHa female: last ventral segment almost 

 three times as long as the penultimate, and about one and a half times 

 as wide as its length, roundedly produced and notched on the middle; 

 penultimate segment slightly curved inward on the middle of its posterior 

 margin; pygofers two and a half times as long as the last ventral seg- 

 ment, and one and two-thirds longer than the width at base; ovipositor 

 broad, light colored, except at the tip which is black, longer than the 

 pygofer. Male: Whitish in color, the last ventral segment a little 

 longer than the penultimate, valve small about one-third as long as the 

 last ventral segment ; plates sharp and long, about two and a half times 

 the length of the ultimate ventral segment. 



The males of this species are much lighter in color ventrally 

 than the females. 



Described from two females and one male. 



Thamnotettix struthiola sp. n. (PI. IX, Fig. 2). 



General color bluish white with a brownish black pattern. 



Length 3.75 mm. Breadth 1.25 mm. 



Vertex white with delicate though distinct black markings; a short 

 median line extending from the posterior margin to the middle; width 

 Ijctwcen the eyes about equal to twice the length of the vertex, which is 

 flat on the disk, angularly rounded at the apex, and has its sides slo]jing; 

 width across the eyes almost three times the length of the vertex. Eyes 

 large, well rounded, dark gray in color; ocelli dilute red, located near 

 the extremities of the frontal sutures. Face white intcrsj^erscd with 

 brown and black markings, which arc somewhat variable in the different 



