Reference. Part 2, p. 276. 
10 (7). Notopleuron yellow 11 
Notopleuron dark, black or gray 13 
11 (10). Entire side of thorax yellow 
A. ( Catalpomyza ) pleuralis (Mai loch) 
Synopsis. Frons, gena, and face yellow; 3d an- 
tennal segment large, round, normally yellow, 
sometimes slightly brownish; mesonotum matt gray, 
only 2 fully developed dc, anterior ones not 
differentiated from acr; pleura and halter yellow; 
wing length from 2.2 mm in male to 2.5 mm in fe- 
male; genitalia with aedeagus as in figures 
506, 507; hypandrium broad, rounded, with minute 
apodeme (fig. 508); sperm pump with greatly en- 
larged base (fig. 509). 
Host/Early Stages. Catalpa bignonioides , C. 
bungei , and other Catalpa spp. Larva forming small 
linear blotch (fig. 510), as many as 5 mines have 
been seen in a single leaf; puparium brown, pos- 
terior spiracles each with some 30 minute bulbs. 
Distribution. Illinois, Ohio; Canada. 
References. Frick, 1953a: 70; Spencer, 1969a: 161; 
1977c: 242. 
— Only notopleuron area yellow 12 
12 (10). All antennal segments black 
A. ( Annimyzella ) lathyroides Spencer 
Synopsis. Head (fig. 511) with frons slightly pro- 
jecting above eye, normally orange yellow, more 
rarely clearer yellow or more darkened, blackish 
on upper half; orbit black, 2 ors, 2 ori; gena 0.33 
height of eye, similar in color to frons; face and 
all antennal segments black; mesonotum and scu- 
tellum deep black, 3+1 strong dc, acr in 4 rows; 
pleura black apart from yellow notopleuron; legs 
black, only forefemur narrowly yellow; squama 
grayish black, margin and fringe deep black; 
halter yellow; wing length 2-2.3 mm, last section 
of M 3+4 almost twice length of penultimate; male 
genitalia with aedeagus (figs. 512, 513) having 
distiphallus divided into 2 long, sinuate tubules; 
sperm pump (fig. 514) large. 
Host/Early Stages. Lathyrus vestitus . Larva form- 
ing large greenish blotch mine; puparium reddish 
brown, posterior spiracles each with about 10 
minute bulbs on heavily sclerotized plate. 
Distribution. Central and northern California. 
Reference. Spencer, 1981: 145. 
— All antennal segments yellow 
A. ( Cephalomyza ) indecisa (Mai loch) 
Synopsis. Frons, orbit, gena, antenna, and palpus 
yellow; 4 strong orbital bristles; frons dis- 
tinctly projecting above eye (fig. 515); gena 
deeply extended at rear, almost 4.5 height of eye; 
mesonotum and scutellum matt gray, 3+1 dc, acr 
irregularly in 2-3 rows; rear of humerus, entire 
notopleuron, upper margin of mesopleuron yellow, 
83 
