88 



144. The Tufted Tent-Caterpillar. 



MdJacosoma [Cli.fincanijxt) conMricta Stretch. 



Larvie on oak in California. 

 Exhibit: Adults, eggs, larvae. 



145. The American Tent-Caterpillar. 



Malacosoma {('lisiocampa) americana Fal). 



Liirvjc principally destructive to fruit trees, but also to wild (-herry and a few 

 other forest trees in the Eastern States. 

 ExHiinr: Adults, eggs. 



146. The Rocky Mountain Tent-Caterpillar. 



Mahicommn ( ('lisioca)iipa) fragills Stretch. 



Larva^ feed on deciduous forest trees generally, and are at times very destructive. 

 Rocky Mountain States. 

 Exhibit: Adults, eggs, larva^. 



147. The Northwestern Tent-Caterpillar. 



Malacosoma ( C lisiocampa) plurialis Dyar. 



Larvse on most species of deciduous forest trees in the Northwestern States. 

 Exhibit: Adults, larva, cocoon. 



148. The Californian Tent-Caterpillar. 



Malacosoma {(/lisiocampa) calif oruica I'ack. 



Larvfp on oak in California. 

 iLXHiurr: Adults, larva. 



149. The Spring Canker-Worm. 



Paleacrita rernata Ilarr. 



The larvio feed upon the surface of the leaves of various forest and shade trees, 

 especially upon elm in the Eastern States. 

 Exhibit: Adults, jmpa. 



Cf^SE 30. 



150. The Cherry-Leaf Webworm. 



Calocalpe undnlata Linn. 



The larvfe live in webs on the terminal shoots of black cherry. 

 Exhibit: Adults, work. 



151. The Western Oak Span- Worm. 



TJierhia sonmiaria Hulst. 



The larv?e occur on oak in the Northwestern States, sometimes defoliating trees. 

 Exhibit: Adults, pup;e. 



152. The Large Forest Span- Worm. 



Sabulodes iransversata Dru. 



Larvfe occur on maple, poplar, oak, etc. 

 Exhibit: Adults, larva. 



153. The Crinkly Flannel Moth. 



Lagoa crispala Pack. 



The larvpp, which somewhat resemble the slug caterpillars, feed upon oak, ]K)i)lar, 

 and a variety of other deciduous trees. 

 Exhibit: Adults. 



