tlii'; CANADIAN KNToMoLoGlsr. 99 



*' Spilosoma congrua. 



" Alba ; palpi supra nigri ; pedes antici nigro hiteoque varii. 

 Mas. — caput et thorax anticus subtestacea ; alse anticpe e guttis fuscis 

 quadrisubfasciatje. 



" While. Tarsi with black bands. Fore coxse and fore femora 

 luteous, with black spots on the inner side ; fore tibire striped with black 

 on the inner side. Male. — Head and fore part of the thorax with a 

 slight testaceous tinge. Fore wings with four oblique very imperfect and 

 irregular bands, composed of pale brown dots. Length of the body 6-7 

 lines; of the wings 16-20 lines, a — c Georgia. From Mr. Milne's 

 collection." 



(List of the specimens of Lepidopterous Insects in the collections of the 

 British Museum. Part III. Lepidoptera Heterocera, p. 669. Pub- 

 lished 1855.) 



With this description the insects in my group (f) agree. One has 

 even the slightly testaceous thorax, vvhicii is not common ; and another 

 has the black spots on the inner side of the luteous femora. All have 

 the four bands. 



With ray specimens before me I can entertain no doubt that Walker 

 and Grote were describing forms of one and the same species. I state 

 this after much consideration, for Smith says, in his " Preliminary 

 Catalogue of the Arctiidcg (Can. Ent., Vol. XXII., 16), ''Walker's descrip- 

 tion does not apply to Ajitigone at all, while it does apply to cunea, a 

 specimen of which, according to Butler, was of tlie types," 



What is meant by cunea ? 



There is a moth well known all over North America. It was 

 described and named by Harris (Insects Injurious to Vegetation, pp. 

 357-9), and much valuable information respecting it has been given by 

 Dr. Bethune (Can. Ent., Vol. V., p. 141), Professor Saunders (Insects 

 Injurious to Fruits, p. 171), and others. It is the Fall Web-worm Moth, 

 the Hyphantria textor of Harris. 



Of this H. textor we have in Canada but one brood in a season. 

 Its eggs hatch "from July loth to the middle of August " (John G. Jack, 

 Can. Ent., XVIII. , 23). The larvae are full-grown by the end of Sep- 

 tember. The moths have generally^ in Canada, spotless wings and spot- 

 less abdomens, according to the descriptions given by Harris, Bethune, 

 Saunders, and others, and their usual expanse of wings is 14 lines. 



