459 



species ;iro ucarlv alwnvs yellow, or oclircoiis-liiow n, willi disliiicl intra- and 

 oxtradiscal lines on llic lore \vinf);s. 'J'licv are verv raicU w Idle, as in Metro- 

 campa and certain speeies of Tetrads and Ei/i^o/tia. 



La/Td and j'tipa. — Tlie caterpillars are lar<f(^ and loiijr, oflrn inimickin"' 

 the twigs of the trees or shrubs on which they feed, sometimes ornamented 

 with tubercles; the head is sometimes very lar>re, often with large tuljerclcs 

 on each side, with from two lo four pairs of abdouiinal feet. Chrysalides 

 large, conical at the tip, of various hues, often protected by a thin cocoon. 



The liict that genera so closely allied as Drcpanodes and Kulrapela are 

 placed sei)arately in the tiunilies "■Ennomidoi^^ and ^'■Uraptc.rydce' l)v M. 

 Guenee seems to me a proof that the irroiips are arlilicial ones and should be 

 united. 



Synopsis of the Genera. 



A. Wings angular ; costa full : 



Wings with , a very promiuent UK^diau :ingli> in liotli paiis ; tliat on thi^ liiiul wiugs 



mnch roiiudcil ; female autenua; pectiiiatetl Hyperclis. 



Like HyjHiclis, but the female anteuna' simple, and the foro wings more deeply exca- 

 vate! I'lagodis. 



Species small, yellow : male antenn;c simple ; wings angular Xcinalocampa. 



B. AVings entire ; not angulated : 



A slight sinns in hind wings ; four costal brown spots Caiilvstoma. 



Hind wings with a deep sinus ; species deep yellow Ingirona. 



Like Angtrona, but with no sinus in the hind wings; deep yellow UinxthoyyaiMs. 



C Wings very angular ; falcate : 



Hind wings rounded ; female antennoe pectinated ; yellow IhttrvJoclia. 



Male anlenum pectinated : fore wings suddenly excavated I)elo\v the falcate apex ; 



hind wings with a slight angle ; yellow Sici/a. 



Like &'ct/o, but male antenna; simple; hind wings with a very prominent angle; 



yellow Intepionc. 



Fore wings less falcate than in Antepiom; hind wings excavated below the acute 



apex Epionc. 



D. Wings slightly angular; broad: 



Male antenna; well pectinated; wings moderately angular; brown, with a very 



broad median band in the middle of the wing AnrK/nga. 



Fore wings falcate ; hind wings well angulated ; male antenna; subpliimoso ; jjcarly- 



white Mctroramixi. 



Like ^e()ocam^«i, but male antenna; more plumose; ochreous or whitish-ochreous. T/itci'na. 



Fore wings bent, falcate; hind wings rounded ; male autenme heavily pectinated.. Jjxoa. 



Like the lower species of Kndropia ; wings entire; species deep reddisli-browu : 



hind wings in part ochrcous ; beneath ochreous Epirranthis. 



E. Fore wings usually falcate; front of the head rather narrow: 



Fore wings usually falcate, and both wings entire, notched or serrate Emiropki. 



Male antennie simple ; wings well scalloped, noctuid-Iike Azelina. 



Fore wings falcate ; both wings serrate; hind tibiae not swollen; browuish-ochre- 



ous, with violet tints .S'c/oiiu. 



