ART. 17. MONOPHLEBINAE AND MARGARODINAE—MORRISON. 3 
four loculi; derm densely clothed dorsally and ventrally with slender 
“spines,” stout at base, but tapering to delicate tips, these consider- 
ably more abundant than the pores, about 82» long in the middle 
region of the body, the dorsal heavier and stouter than the ventral 
and 96u at the margin; with an occasional seta, larger than the spines, 
scattered over the body, these more numerous, much longer and 
aggregated to form segmental clusters of relatively very large and 
long setae along the body margin; anal tube short, the opening 
Fic. 1.—DRoSICHA MASKELLI (COCKERELL), ADULT FEMALE. A, MIDDLE LEG, OPPOSITE SURFACES 
(1896 SLIDE), X26.5; B, BEAK, 57.5; C, ABDOMINAL SPIRACLE, X57.5 AND 335; D, ANTENNA, 
OPPOSITE SURFACES (1896 SLIDE), X26.5; E, DERM PORES, X1,500; F, THORACIC SPIRACLE, 57.5; 
G, VENTRAL DERM, X220; H, DORSAL DERM, X220. 
with a chitinized rim with the posterior half more or less triangular; 
_ no ventral cicatrices located. 
Larva,—Stout, oval, length 1 mm., width .65 mm.; antennae 5- 
segmented, the measurements in microns as follows: I, 68; Il, 57-64; 
III, 118; IV, 36; V, 150-157; legs fairly long and stout for this 
stage, the measurements of middle leg in microns as follows: femur, 
200, tibia, 214; tarsus, 168; claw, 39; claws with two hair-like digitules 
about as long as claw and two more or less distinct denticles near 
apex within; beak relatively elongate, 3-segmented and with a num- 
