OCTOBER. 253 



LEPIDOPTERA. PYRALID.E. 



HYDEOCAMPA. 



Generic Distinctions. Antenna moderate, and simple in both 

 sexes ; proboscis rather long ; palpi four in number ; wings, all 

 the margins entire. 



HYDROCAMPA NYMPILEATA. Beautiful China-mark. This 

 species measures nearly an inch ; the wings are white, the 

 anterior pair with, two brown stripes from the base to the 

 middle, the remaining portion having two bands connected 

 in the centre ; a narrow one forms the margin ; the posterior 

 wings have also two brown transverse bands, the arrangement 

 of which bands varies considerably. The caterpillar feeds on 

 duckweed, and is not common. 



LEPIDOPTERA. YPONOMEUTID.E. 



AEGYEOMIGES. 



Generic Distinctions. Antenna as long as the wings ; palpi 

 short, filiform, and drooping ; winys rolled round the body when 

 at rest ; body very slender. 



ARGYROMIGES SYLVELLA. Dark Porcelain. This insect 

 measures about three lines ; the anterior wings are white, 



