258 



THE BEAUTIFUL CHINA MARK. 



Hydrocampa NympTueata. 

 PLATE XXIX. Fig. 1. 



Phal. Geom. Nymphaeata, Linn Phal. Stagnata, Don. Ji. 



PI. 363, fig. 2. Pyrausta Nymphealis, The Beautiful China 

 Mark, Haworth. Hydrocampa Nymphaeata, Latr.^ Steph. 



THE genus Hydrocampa ( Water-caterpillar ) w 

 have given as an example of the pretty numerous 

 family of the PYRALIMJ. It belongs to a section 

 of that group, the species of which are somewhat 

 remarkable for possessing four distinct palpi, the 

 maxillary pair being likewise developed, contrary to 

 what is observed in the generality of moths. The 

 labial palpi are, as usual, tri-articulate ; the two 

 lowest joints densely clothed with scales, the ter- 

 minal one acute. The proboscis is rather long, the 

 antennae moderate, and simple in both sexes. All 

 the wings have the hinder margin entire, the ante- 

 rior pair elongate, the posterior ovate-triangular ; 

 the surface reticulated with dark lines upon a white 

 ground. The legs are long and slender, the hinder 

 tibiae with two pair of long spurs. The larva, which 

 has six scaly and ten membranous legs, feeds upon 



