LIBRARY

438
COLLEGE ENTOMOLOGY
Hooks in one band, occasionally interrupted, rarely in two widely
separated bands 82
82. Band of hooks reduced or interrupted at middle. 83
Principal band of hooks continuous . • 84
83. Head half diameter of body; secondary hair relatively prominent
RIODINIDlE
Head rarely more than a third as wide as body; secondary hair less
prominent. LYClENlDlE p.513
84. A forked, eversible dorsal gland or osmeterium just behind head
PAPILIONIDlE p.5oo
No osmeterium. . 85
85. Body with branching spines, high hairy tubercles, fleshy filaments,
when these are reduced there are large spines or tubercles on the
head . 89
Body without spines, warts, or filaments; anal plate rounded; head
rounded . 86
86. Prolegs with only a single row of hooks, forming a curved band . 87
Prolegs with reduced hooks on otlter side in addition to a well-developed
band; head small; setre never on prominent warts LIBYTHEIDlE
87. Head larger than prothorax . NYMPHALIDlE p.511
Head smaller than prothorax . 88
88. Selle usually borne on prominent warts. . (ASCIIDINJE)
Setae not borne on prominent warts . . PIElUDlE p. 506
89. Mesothorax and sometimes several other segments bearing fleshy filaments;
secondary setre short and confined to prolegs . DANAlDlE p. 508
Body without fleshy filaments 90
90. Body spines slender, at least 12 times as long as wide, those on abdomen
as long as width of mesothorax; each abdominal segment with
three lateral spines but without median dorsal spines. . EUEIDIDlE
Body spines, when present, not so slender. those on abdomen shorter
than width of mesothorax; median spines usually present
NYMPHALlDlE p. 511
KEY TO SUBORDERS
1. Venation of fore and hind wings similar; wings united or coupled by a
jugum or a fibula. '" JUGATlE
2. Venation of the fore and hind wings dissimilar; wings united or coupled
by a frenulum or a humeral area . FRENATlE p.440
I. Suborder JUGATlE Comstock 1892
(HOMONEURA Tillyard 1918)
KEY TO SUPERFAMILIES
1. Tiny or small moths; wing expanse 12 mm. or less; wings coupled by a
jugal lobe or fibula; maxillary palpi abortive or absent
MICROPTERYGOIDEA p.