Frons narrower, equal to width of eye, not pro- 
jecting above eye 
53 (52) . Gena broad, 0.20 height of eye — — 
54 (51). 
55 (54). 
56 (54). 
Synopsis. Small species, wing length 2. 1-2.3 mm; 
2 ors, 2 ori; mesonotum and abdomen greenish or 
coppery; male genitalia with aedeagus as in 
figures 113, 114. 
Host/Early Stages. Erechtites hieracifolia . Larva 
feeding in flower heads; puparium yellowish 
orange, posterior spiracular processes separated 
by 3 times their diameter, each with ellipse of 12 
bulbs around rudimentary central horn. 
Distribution. Florida. 
References. Spencer, 1966d: 10; Spencer and 
Stegmaier, 1973: 36. 
Gena narrower, 0.10 height of eye M. wedeliae Spencer 
Synopsis. Small species, wing length in male 2.2 
mm; 2 ors, 2 ori; mesonotum and abdomen greenish, 
former more matt black seen from front; male geni- 
talia with aedeagus as in figures 115, 116. 
Host/Early Stages.. Senecio confusus, Wedelia 
paludosa . Larva feeding in flower heads’^ 
Distribution. Florida. 
Reference. Spencer and Stegmaier, 1973: 54. 
Frons strongly projecting above eye 55 
Frons not projecting 
2 ors, 4 to 6 ori; orbital setulae predominantly 
reclinate M. burgessi (Malloch) 
Synopsis. Large species, wing length from 2.75 mm 
in male to 3.25 mm in female; mesonotum predomi- 
nantly black, with at most faint greenish reflec- 
tions, abdomen normally coppery; squama pale gray, 
fringe blackish; male genitalia with aedeagus as 
in figures 117, 118. 
Host/Early Stages. Unknown. 
Distribution. California, Colorado, Illinois, 
Indiana, Kansas, Massachusetts, North Dakota. 
References. Malloch, 1913a: 323; Frick, 1959: 363; 
Spencer, 1981: 46 (as malef ica ) ; part 2 , p. 244. 
2 ors, 3 ori; orbital setulae predominantly pro- 
clinate M. malevola Spencer 
Synopsis. Medium-sized species, wing length 2 . 4 - 
2.6 mm; mesonotum largely matt but slightly more 
shining, even greenish, seen from rear, abdomen 
blackish coppery; squamal fringe dark but not 
deep black; male genitalia as in figures 119, 120 . 
Host/Early Stages. Unknown. 
Distribution. California. 
Reference. Spencer, 1981: 47. 
Minute species, wing length in male 1.5-1 . 6 mm; 
ovipositor sheath not elongate M. bidentis Spencer 
Synopsis. Mesonotum greenish black; male 
genitalia with aedeagus (fig. 121 ) having basal 
sclerite closely adjoining distiphallus complex, 
distiphallus slightly pigmented at end. 
31 
