Memorr 49 ‘ Puatze LIV 
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ovine try 7a 
1 
way 
hy 
y 
EPHYDRA SUBOPACA 
1, First-instar larva; 2, full-grown larva (a, prothoracic stigma; b, posterior spiracle); 3, lateral view of 
audal part of first-instar larva; 4, caudal view of same (a, posterior spiracle); 5, relative positions of 
prothoracic stigma and cephalopharyngeal skeleton (a, prothoracic stigma); 6, enlarged view of stigma (a, 
Btigma; b, imaginal disk); 7, posterior spiracles (a, chitinous membrane; b, spiracle); 8, dorsal view of 
racheal system (I-X, outer branches; 1-8, inner branches; a, tracheal branch to muscles of cephalopharyn- 
Beal skeleton; b, same; c, tracheal branch to imaginal disk; d, to ring; e, to salivary gland; f, to imaginal 
isk; g, to dorsal body wall; h, to proventriculus; i, to lateral body wall; j, to mid-intestine; k, to tracheal 
body; 1, to mid-intestine; m, to mid-intestine; n, to hind intestine; 0, p, q, commissures); 9, lateral view 
a, commissure; b, dorsal trunk; c, ventral trunk); 10, lateral view of nervous ganglion of larva (I-XI, 
Bezmental nerves; a, b, c, nerves arising from bases of stalks of prothoracic and ventral mesothoracic 
maginal disk; d, optic imaginal disk; e, optic stalk; f, cerebral lobe; g, ring; h, subesophageal ganglion; 
, prothoracic imaginal disk; j, ventral mesothoracic disk; k, esophagus; 1, dorsal aorta; m, trachea); 11, 
orizontal section of brain (a, root of nerve; b, retina; c, stroma); 12, horizontal section of cerebral lobes 
a, esophagus; b, retina; c, corpus fungiforme; d, trabecula; e, stroma) 
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