mally about 2.5 times length of 4th; male geni- 
talia with aedeagus (figs. 1295, 1296) distin- 
guished from related species by middorsal hump; 
sperm pump minute. 
Host/Early Stages. Lonicera involucrata . 
Larvae feeding together to form irregular mine 
based on midrib (fig. 1297); puparium within 
mine, puparium dull yellow to almost black, 
posterior spiracles each with 16-23 bulbs. 
Distribution. Central California; Canada. 
References. Frick, 1954: 371; Griffiths, 
1974a: 50; Spencer, 1981: 440. 
Male genitalia with aedeagus (figs. 1298, 1302) 
having supporting sclerite complex gradually 
tapered in side view without such hump 112 
112 (111). Male genitalia with aedeagus (fig. 1298) having 
supporting sclerites slender, slightly curving 
toward apex Chroma tomyi a symphoricarpi Griffiths 
Synopsis. Minute black species, agreeing close- 
ly with C, fricki and £. gregaria , marginally 
larger than C. fricki , not satisfactorily 
distinguishable on external characters from C. 
gregaria ; male genitalia with aedeagus (figsT 
1298, 1299) having basal sclerites ending be- 
fore base of supporting sclerites, these 
broad at base and slightly curving at apex; 
sperm pump (fig. 1300) minute, unpigmented. 
Host/Early Stages. Symphoricarpos mollis 
(California). Larva forming irregular blotch 
on midrib at base of leaf (fig. 1301); puparium 
yellowish or more brownish, posterior spira- 
cles each with ellipse of 10-15 bulbs. 
Distribution. California; Canada. 
References. Griffiths, 1974a: 52; Spencer, 
1981: 450. 
Male genitalia with aedeagus (fig. 1302) having 
supporting sclerites broad, short 
Chroma tomyi a regalensis (Steyskal) 
Synopsis. Agreeing with Q. symphoricarpi on ex- 
ternal characters, wing length 2.1 mm, 2d 
costal section 2.5 times length of 4th; male 
genitalia with aedeagus (fig. 1302) having 
sclerites of ventral lobe largely rectangular, 
supporting sclerites broad at base, terminal 
section of ejaculatory duct strongly pigmented. 
Host/Early Stages. Unknown. 
Distribution. Georgia, Michigan. 
References. Steyskal, 1972b: 8; Griffiths, 
1980: 8; part 2, p. 329. 
113 (104). 2d costal section relatively long, 2.5-3 times 
length of 4th 214 
2d costal section shorter, 2-2.5 times length of 
4th 115 
114 (113). Mesonotum pale, almost silvery gray; mesophallus 
straight sided (fig. 1304) P. ilicicola Loew 
Synopsis. Frons black below, somewhat paler, 
213 
