ORDER LEPLDOPTERA. 



151 



merouB, the more common and destrui I 



vvrginica Fabr.) and Iho fall web-worm, Hyplu ><■■> Di 



196). in, lie Lit/uma, in which the body is 



■^ 



li'. 197.— Lithotia bicolor. Nal size. Fig. l!»s.— f '■'. Nat.size 



Blight, not very hairy, and the antenuse nol pectinated Lithosia hi 

 Pig. 197) and Uietimsa beUa (Linn., Fig. 198) are typical 

 forms. 



Family Zygaenidae. — The beautiful moths of this group arc r< i 

 nized by the pectinated antennae, their usually rather narrow wings, 

 rounded at the apex, the Arctian like venation, and by their hairy 

 caterpillars, which transform in cocoons of Bilk or mostly hair. It 

 is divided into the Zyganirue, represented bj Zygaena in Europe, ami 

 in this country by tin- species "t Procris, Harrisina, etc., a- well as 



the ' i •, i \. mplified by 



■ 1 with the preceding 



norpha pholus Drill}; and 

 1 harp. 



Family Agaristidae — Formerly 

 family, tin- Bpecies of this group 

 differ in having simple antennas, 

 a sub-COStal cell, ami the eater- 

 pillars are naked, more or less 

 humped on the eighth abdominal 

 segment, ami do not -pin a silk 

 cocoon. The types are Eudryas 

 grata Fain.. A', unto Bubn., 

 and Ah,, 6 Fabr. |. 



Family Cas tn i a dee . — The 

 species arc tropical, mostly very 

 large moths with simple an- 

 tenna' thickened towards the 

 end. and the head narrow be- 

 tween the eyes the scales arc ill 



Castnia larger than in any other 

 Lepidoptera) ; the larvae an 

 naked, boring in the stems o\ mient.enla 



orchids, etc A- in the two foregoing families the moths are day- 



- Fabr S< ith America; 

 (White), Australia. A species of the Australian genus 1 l, the 



mates of which have a vitreous spot on the fore wii gs, mak 

 whizzing noise like the humming of a top. 



Family Hepialidae.— These arc plain, unornamented brown moths, 

 whose antennae are short, and cither simple or ■ ■ the 



tongue is wanting, the clypeus short, ami thi 

 Hepialus tnustelin tu Pack. 0< curs in the Nortln si 



Famih Cossidae — Large moths with the antennae well pectinated; 



