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Indiana University Studies 



c. Parapsidal grooves smooth at bottom; median groove 

 longer; areolet elongate on cubitus; length under 3.2 

 mm. Gall small, with a longer point. Northern Cali- 

 fornia coast. var. gracilis 

 7. Thorax with some black; parapsidal grooves moderately 



wide, median groove present, short; wing veins moderate 



or heavy. Gall turban-like, two-parted. 



H. sanctx-ckirse 



a. Fovese smooth; mesopleurse heavily aciculate, little 

 black on edges ; second segment covering two thirds the 

 abdomen. Northerly California. var. sanct%-clarx 



b. Fovese rugose; mesopleurse finely aciculate, heavily 

 edged black; second segment covering more than three 

 quarters the abdomen; areolet smaller. Southern 

 Sierras. var. fuscior 



c. Fovese smooth ; mesopleurse finely aciculate, more heav- 

 ily edged black; second segment covering two thirds 

 the abdomen. San Bernardino mountains. var. aliud 



Heteroeciis bakeri (Kieffer) 



Callirhi/tis bakeri Kieffer, 1904, Bull. Soc. Metz, (2), XI, p. 132; 1904 

 (in Baker), Invert. Pacif., p. 44. Dalla Torre and Kieffer, 1910, 

 Das Tierreich, XXIV, pp. 586, 807, 830. Fullaway, 1911, Ann. Ent. 

 Soc. Anier., IV, p. 360. Felt, 1918, N.Y. Mus. Bull., 200, p. 76. 



Callirhytis Bakeri Trotter, 1910, Boll. Lab. Portici, V, p. 110, pi. 1, 

 fig. 18. 



FEMALE. — Shows the following characters in addition to those 

 common to all species of the genus: Color of head and thorax rich 

 brownish rufous, black on the anterior parallel and lateral lines and in 

 the foveas; parapsidal grooves quite Y\'ide, often very wide at the scutel- 

 lum; median groove very short or lacking; anterior parallel lines very 

 distinct; foveae of the scutellum rather deep, more or less smooth and 

 black at bottom ; abdomen rufous brown, deep brown in part ; wing veins 

 yellow brown, not as dark as in H. pacificus, but darker than in H. 

 dasydactyli; areolet of moderate size or moderately large; first abscissa 

 of the radius arcuate-angulate, distinctly but not strongly angulate, 

 without a projection; length 2.2-3.0 mm., averaging nearer 3.0 mm. 



GALL. — A naked, robust, ovate gall with a slender tip. Mono- 

 thalamous. Body of gall spherical to more elongate-ovate, more abruptly 

 flattened apically, 9.-13. mm. in diameter, more or less constricted 

 basally; bearing a slender point apically, arising more or less abruptly 

 from the body of the gall, averaging 1.5 mm. in diameter by 5. mm. 

 long; entirely smooth or v/ith a few tubercles, or with part of the sur- 

 face roughly rugose, or the whole surface granulose; when fresh, bright 

 to dark green, speckled red, or reddish or purplish brown with buff 

 yellow or light green speckling; on aging becoming more uniformly 



