Lasiocampidac 



and which constituted the material upon which the original 

 description of the species was based by Dr. Dyar. 



Genus ARTACE Walker 

 (i) Artace punctistriga Walker, Plate XII, Fig. 5, 3. 



Syn. rubripalpis Felder. 



This rather rare little moth has its habitat in the southern 

 Atlantic States. 



Genus TOLYPE Hubner 



Five species are accounted as belonging to this genus. We 

 give illustrations of the one which is commonest. 



(i) Tolype velleda Stoll, Plate XI, Fig. 7, $ , Fig. 8, ?. 

 The species is found throughout the Appalachian subregion. 



Genus HYPOPACHA Neumcegen & Dyar 



The only species known to belong to this genus was named 

 grisea by Neumregen. The only specimen 

 of which the writer has knowledge is the type 

 which is contained in the collection of the 

 Brooklyn Institute. Of this I have, through 

 the kindness of the authorities of that institu- 

 tion, been permitted to make a drawing, which 

 is reproduced in the annexed cut. The habitat 



. Io7. ** * i A 



$. f. of the species is Arizona. 



Genus MALACOSOMA Hubner 



(i) Malacosoma americana Fabricius, Plate X, Fig. 12, ?. 



Syn. decipiens Walker ; frutetorum Boisduval. 



The species, which is commonly known as "The American 

 Tent-caterpillar, " is widely distributed throughout the Appalachian 

 subregion, and at times inflicts considerable injury upon the foliage 

 of trees. It especially affects trees belonging to the Rosacece, 

 as the wild cherry and wild plum, and attacks apple-orchards 

 with avidity. The great white webs woven by the caterpillars 

 are familiar objects in the rural landscape, detested by the fruit- 

 grower, and equally despised by the man who loves to see 

 trees in perfect leaf. An orchard cobwebbed by the tent-caterpil- 



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