62 ENTOMOLOGICAL NEWS. [Feb., '17 



III, provided with rather few, but very long, bristle-like hairs ; III 

 with about 18 circular sensoria. Length of antennal joints: III, .6 

 mm.; IV, .5 mm.; V, .3 mm.; VI, .2 mm.; spur or filament, .4 mm. 

 Prothorax wider than long, dusky. Meso- and metathorax also dusky. 

 Middle and hind legs black except orange basal one-third of the 

 femur. Basal one-half of femora and tibia of the front leg orange, 

 the remaining part dusky. Length of femora: front, 1.3 mm.; mid- 

 dle, i.i mm.; hind, 1.7 mm. Abdomen of red-salmon color, with 

 dark dorsal bands. Hairy throughout body. Cornicle black, wider at 

 base than at apex. Style black with a few long hairs. 



Apterous viviparous female. General color salmon-red to orange. 

 Length of body, 2.8 mm. Greatest width of abdomen, 1.6 mm. Head 

 the color of body, broader than long. Beak beyond the second coxal 

 cavity, tip dusky, remaining part salmon-red. Antenna shorter than 

 body ; article III, salmon-red, provided with bristle-like hairs on a 

 row facing outside ; IV and V, mostly dusky, but with a smaller num- 

 ber of bristles each; VI, including filament, dusky. Length of anten- 

 nal joints: III, ./ mm.; IV, .4 mm.; V, .3 mm.; VI, .2 mm.; filament, 

 .4 mm. Prothorax slightly dusky, wider than broad. Meso- and 

 metathorax also slightly dusky. Abdomen salmon-red, with a black, 

 transverse band on each of the segments. Cornicles black, base de- 

 cidedly wider than at the apex. Style dusky, somewhat rounded and 

 provided with hairs. Legs slightly dusky, except at the joints. 



Host plant Acer macrophylla. 



Locality University of California campus, Berkeley, Cali- 

 fornia. 



Date of Collection April 5, 1915. 

 Types at the University of California. 



Myzocalis essigi n. sp. 



Alatc viviparous female. General color pale. Length of body, ex- 

 clusive of style, 1.65 mm. Greatest width of abdomen .65 mm. Wing 

 expansion 2.3 mm. Head broader than long, pale, width between the 

 eyes .25 mm. Tip of beak slightly dusky. Antenna pale except at the 

 joints of III, IV, V and most of VI including spur which are dusky. 

 Length of antennal joints: III .6 mm, IV .4 mm, V .3 mm, VI .2 mm, 

 filament .19 mm. Article III with 6 to 7 circular sensoria. Prothorax 

 pale, .5 mm. long and .32 mm. wide. Mesothorax pale, width .55 mm. 

 Metathorax also pale. Legs pale except dusky tarsi with claws. Abdo- 

 men pale with 4 large, long, blunt tubercles on first and second seg- 

 ments. Cornicles black, somewhat constricted near the middle. Style 

 distinctly constricted, pale. Anal plate deeply and beautifully bifur- 

 cated, pale. Wings hyaline. 



Nymphs are beautifully shaded with green and pale. 



