7G 



G. frigularia (Guenee's sp.), received from Lapland, through Dr. Staudinger, 

 both in size and markings, thai I am at present (notwithstanding the great 

 amount of variation in the species of this genus) inclined to keep the two 

 species separate until new material decides tlie question. 



My two G. frigularia are larger than sabiniaria, the lore wings expand- 

 ing 1 OG inch, while my single female sabiniaria expands only 0.95 inch. 

 Gruende's male expanded 0.32 inch more, or 1.28 inches. In frigidaria, 

 the band is much wider on the costathan in sabiniaria, more finely scalloped, 

 and there is a discal dot on the hind wings and two outer curved lines. 

 The fringe is whitish, checkered with dark ; while in sabiniaria it is 

 uniformly sable, and not checkered with darker scales. It should be 

 remarked, however, that Curtis's figure represents a dot and two outer curved 

 dusky lines on the hind wings, thus in part connecting the two species, and 

 it is possible that they will prove identical. 



Larva. — In a bottle marked by Dr. E. Bessels with the same number 

 (I!) as the pinned moths, and labeled "Polaris Bay, August 2, 1871," is ■. 

 larva which seems to be of this species. The body is moderately thick, of 

 uniform size from the head to the tail. The head is smooth, rounded, not 

 so wide as the body. The supra-anal plate is rounded posteriorly. The 

 body is blackish, with scattered, rather stout hairs; the tubercles from which 

 they arise being pale. There is a dorsal row of peculiar conspicuous square 

 spots, one on each ring, and a lateral row of irregular, concolorous, pale dots. 

 Length, 0.55 inch. 



Glaucopteryx piiocataria Packard. Plate 8, fig. 21. 



Cidaria phocata Muscbler, Wieu. Eat. Moua!scb., vi, 9, taf. 1, fig. 8, 1862. 



Vorderfliigel gelbgrau, im Mittel- und Saumfeld mit vorherrschendem 

 Graii, drei dunkle, dicht angelcgte Querstreifen, lichte Wellcnliuie und 

 dunkler Mittelpunkt. Hinterflugel grau mit dunklem Mittelpunkt. 



Fliigelspannung 27-33 Millim. Vordertliigelbreite 7-8 Millira. 



Steht der Cidaria frigidaria Guen. am nachsten, unterscheidet sich 

 jedoch so wesentlich von ihr, dass an kcine Vereinigung gedacht werden 

 kann. 



Die Fiihler des Manncs sind gekiimmt, ihre Kammzahne stehen *wie 

 bei frigidaria zicmlich entfernt von cinandcr, sind ebenfalls behaart, abcr 



