BUJTOALOTIS— CECEOPTEEUS. 327 



hyalino nigro-circumcincto ad apicem ; posticis area costali, macula cellulari aliisque sex discalibus serie 

 arcuata obscure fusco-nigris : subtus ut supra, sed obscurior ; posticis maculis medialiter pallidis, aliis 

 duabus subcostalibus. 

 $ alis brunneis; anticis maculis omnibus multo majoribus semibyaliais et nigro cinctis, posticis quoque maculis 

 discalibus quibusdam medialiter semibyalinis. 



Hob. Nicaragua, Chon tales (Belt) ; Panama, Volcan de Chiriqui (Trotsch), Bugaba 

 (Champion). — Amazons Valley and Guiana. 



We have several specimens of this insect before us, including a male and female lent 

 us by Dr. Staudinger. The males agree fairly well with Cramer's figure, and with a 

 specimen from the Tapajos Eiver from Bates's collection. The northern limit of the 

 species extends to Chontales, whence we have two female examples from Belt's 

 collection. The species most nearly allied to B. salatis is B. sebrus of Felder, which 

 differs in the distribution of the spots of the primaries in both sexes. 



The male genitalia have a peculiar tegumen ending in a short decurved spine, from 

 the upperside of which arises a blunt projection ; the scaphium is well developed ; the 

 harpes elongated, slightly upturned lobes with rounded ends. (See Tab. LXXX. 

 fig. 1.) 



CECROPTERUS. 



Cecrops, Hubner, Verz. bek. Schmett. p. 103 (1816) (nee Leach, 1813). 



Cecropterus, Herrich-S chaffer, Prodr. Syst. Lep. hi. p. 45 (1869) ; Plotz, Berl. ent. Zeitschr. 1882, 

 p. 260; Watson, P. Z. S. 1893, p. 31. 



The name Cecropterus was proposed by Herrich-Schaffer in 1869 as a substitute for 

 Hiibner's Cecrops (preoccupied by Leach in Crustacea), and the type is now considered 

 to be C. zarex, Hiibn. 



The members of the genus are distributed over the whole of Tropical America with 

 the exception of the West-Indian Islands, but authorities differ as to the number of 

 species. Plotz admits eleven and Mr. Watson ten. We, with an extensive series 

 before us, can only distinguish eight *. Five occur within our limits, Vera Cruz 

 and Jalisco being the most northern States of Mexico in which the genus is repre- 

 sented. 



The antennae of C. annus are distinctly hooked, the attenuated terminal portion of 

 the club equal to the swollen remainder. Palpi porrect, the terminal joint short but 

 appearing beyond the closely set scales of the second joint. The lower discocellular 

 of the primaries is a little shorter than the middle discocellular, in nearly a straight line 

 with it and directed obliquely to the axis of the wing ; the third median segment is 

 considerably less than half the second segment, which, again, is about twice as long as 



* Euclamus phrynicus, Hew. Descr. Hesp. p. 19 (1867), which Mr. Kirby (Cat. p. 634) places in the genus 

 Cecropterus, has a costal fold in the male and belongs to Thymele. Thymele viridans, Mab. (Le Nat. x. 

 p. 170, 1888), of which Dr. Staudinger has lent us the type, belongs to the same species. 



