DESCRIPTIONS OF NEW GENERA AND SPECIES. 41 



Abdomen cylindrical ovate, with conspicuous brown spines on outer 

 margin of each segment, six along the posterior ventral margin of 

 each ventral plate, and longer, stronger ones at tip on segments 9 

 and 10. 



Habitat: Yisalia, Tulare County, Cal. 



Food i)lant: Wild sunflower. 



(57) Anaphothrips zese new species. (PI. V, figs. 31-34.) 

 Measurements: Head, length 0.12 mm., width 0.13 mm.; protho- 



rax, length 0.12 mm., width 0.16 mm.; mesothorax, width 0.23 mm.; 

 abdomen, width 0.26 mm.; total length 1.10 mm. 



Antennae: 1, 18 ^; 2, 30 ix; 3, 42 /i; 4, 39 n; 5, 33 /z; 6, 30 /z; 7, 8, 

 9, 33 /<; total length 0.225 mm. 



Color yellow to grayish brown, wings gray. 



Head about as long as wide, broadly rounded in front, cheeks 

 arched. Eyes prominent, slightly protruding, with coarse facets. 

 Ocelli present, widely separated, with light-brown crescents. Head 

 wdth prominent spines. Mouth-cone broad at base, pointed at tip. 

 Maxillary palpi large, three-segmented, labial palpi very small, with 

 two segments, mouth-cone dark brown at tip. Antennse about as 

 long as head, segment 1 yellomsh gray, segment 2 Ught brown, 

 segment 3 hght brown, transparent yellowish at basal half, segment 

 4 and others light brown, shading to darker toward the tip, without 

 conspicuous spines or sense cones. Antennas sometimes almost uni- 

 formly hght brown, with segment 2 darker. 



ProtJiorax about as long as head and only sUghtly wider, with one 

 transparent but rather prominent spine on each posterior angle. 

 MesotJiorax largest, sides rounded; metatJiorax with sides almost 

 parallel but constricted abruptly at the posterior margin. Pter- 

 thorax somewhat darker than rest of body. Legs uniformly grayish 

 brown, only hind tibia armed. Wings uniformly brownish gray, 

 with small, semitransparent, elongate area near base with veins and 

 spines prominent, although all veins are transparent. Costa with 

 twenty-seven spines, fore vein with nine regularly placed spines near 

 base and other scattered spines along outer part. Hind vein arising 

 from fore vein at about one-fourth the wing's length from the base 

 and ending abruptly near tip of wing with ten more or less regu- 

 larly placed spines. Fringe on fore vein weak. 



Abdomen cylindrical ovate, uniformly brownisli gray, without 

 prominent spines except on terminal segments; all spines 

 transparent. 



Habitat: San Jose, Fresno, Lindsay, Tulare County, Cal. Taken on 

 grasses, leaves, and ears of corn. 



(58) Anaphothrips tricolor new species. (PI. V, figs. 35-38.) 

 Measurements: Head, length 0.10 mm., width 0.15 mm. ; prothorax, 



length 0.13 mm., width 0.18 mm.; mesothorax, width 0.23 mm.; 



