ment black, 1st and 2d somewhat paler; meso- 
notum blackish gray, acr irregularly in 4 rows; 
mesopleuron largely black but yellow along up- 
per margin; humerus and notopleuron generally 
dark but sometimes faintly yellowish; legs 
black, with femora yellowish at knees, more 
distinctly so on foreleg; wing length 2. 6-2.8 
mm, 2d costal section long, about 4 times 
length of 4th; male genitalia with aedeagus as 
in figures 1241, 1242. 
Host/Early Stages. Heracleum 1 ana turn (in Europe, 
also Pastinaca sativa ). Larva forming white 
linear upper surface mine (fig. 1243); puparium 
black, posterior spiracles each having 18-21 
minute bulbs. 
Distribution. California; Alaska, Europe. 
References. Spencer, 1969a: 275 and 297 (as P. 
heracleiphaga ) ; Griffiths, 1973a: 225 (P. hera - 
cleiphaga treated as new subspecies of P. 
spondylii ) ; Spencer, 1981: 422. 
Male genitalia with aedeagus without such notch; 
right basal sclerite without additional spini- 
form sclerite at distal end (fig. 1244) 
P. pastinacae Hendel 
Synopsis. Adult externally as in P. spondylii ; 
male genitalia with aedeagus as in figure 1244. 
Host/Early Stages. Angelica atropurpurea , 
Heracleum lanatum (in Europe, Pastinaca sativa). 
Leaf mine and puparium as in P. spondylii . 
Distribution. New York; Europe. 
Reference. Griffiths, 1973a: 226 (synonymy of 
P. angelicella Frost, 1927). 
(77). Gena 0.5 height of eye 
Chromatomyia f lavida Spencer, n. sp. 
Synopsis. Frons orange yellow, faintly infus- 
cated on upper half, 2 ors, upper shorter, 1 
ori; 3d antennal segment small, round, black; 
mesonotum grayish black, acr in 2-3 rows; legs 
black, with all knees yellow; squama gray, mar- 
gin and fringe black; wing length in male 2.4 
mm, 2d costal section 1.67 times length of 4th; 
male genitalia with aedeagus as in figures 1245, 
1246. 
Host/Early Stages. Unknown. 
Distribution. Colorado. 
Reference. Part 2, p. 325. 
Gena 0.33 height of eye P. arnicicola Lundquist 
Synopsis. Frons orange yellow, twice length of 
eye, posterior ors at most 0.67 length of an- 
terior ors, normally 3 ori, orbit yellow or at 
most slightly infuscated; hindmargin of eye 
black; 2d and 3d antennal segments black, 1st 
yellowish brown; mesonotum blackish gray, acr 
irregularly in 2-3 rows; legs black, femora 
with knees contrastingly yellow; squama yellow- 
ish gray, margin and fringe dark; wing length 
202 
