42 BARNES AND McDUNNOUGH: CATOCALA 



Catocala titania Dodge 

 Plate VIII, fig. 19; PI. IX, fig. 34. 

 Catocala titania Dodge, 1900, Ent. News, XI, p. 472. Schwarz, 1916, Ent. News, XXVII, p. 67. 



This species may be merely a poorly marked form or race of alabamce; the maculation is not well defined but there 

 is nothing, as far as we can see, in the shape of the lines whereby the two might be separated. The single type (now in 

 the Barnes Collection) is a rather undersized specimen, due probably to its having been bred; it is figured on plate IX, 

 figure 34. 



The only note we have on the life-history is that by Schwarz recording that the ova are laid in crevices of the bark 

 of Crataegus crus-galli. 



The species is known to occur only in Missouri and Illinois (Quincy). 



Catocala dulciola Grote 



Plate IX, fig. 31; PI. XXII, fig. 18 (clasper). 

 Catocala dulciola Grote, 1881, Papilio, I, p. 5. 



The rare species has quite a characteristic appearance with its pale median area, evenly rounded and prominent 

 t. a. line, and brownish basal area with a short, heavy, black dash. It was first taken near Dayton, Ohio, and has since 

 been reported from St. Louis, Missouri, and Quincy, Illinois. As far as our present knowledge goes, it is confined to the 

 Ohio Valley region. 



Catocala clintoni Grote 



Plate VII, fig. 14; PI. XXII, fig. 24 (clasper). 



Catocala clintonii Grote, 1864, Proc. Ent. Soc. Phil., Ill, p. 89, PI. in, fig. 4. Dodge, 1901, Can. Ent., XXXIII, p. 221 (larva). 



This distinct species occurs generally throughout the United States east of the Rocky Mountains. Its being one of 

 the earliest species on the wing possibly accounts for the fact that it is usually not very well represented in collections. 

 It is also recorded from Vancouver, British Columbia, in the 1906 British Columbia Check List but the record needs veri- 

 fication. The life-history has been fully described by Dodge but, personally, we do not know the larva and have been 

 unable to obtain material for figuring. 



Group XVIII 



Egg similar to that of Group XVII. Larva with lateral filaments and a small transverse dorsal wart on the fifth 

 abdominal segment. Male claspers symmetrical, with long narrow and pointed apex. 



The single species, similis, included here shows affinity to the preceding group in its early stages, but the male claspers 

 are quite characteristic and much closer to those of arnica than to any of the preceding group. The species is an oak- 

 feeder. 



Catocala similis Edwards 



Plate X, figs. 6-8; PI. XIII, fig. 15 (larva); PL XV, fig. 43, and PI. XVI, fig. 12 (segments); PL XXII, fig. 25 (clasper). 



Phalcena amasia Abbot and Smith, 1797, Nat. Hist. Lep. Ins. Georgia, II, PL xc (partirn). 



Catocala amasia Guenee, 1852, Hist. Nat. Spec. Gen. Lep., VII, p. 103. 



Catocala similis Edwards, 1864, Proc. Ent. Soc. Phil., II, p. 511. Barnes and McDunnough, 1918, Bull. Amer. Mus. Nat. Hist., 



XXXVIII, p. 175. 

 Catocala formula Grote and Robinson, 1866, Proc. Ent. Soc. Phil., VI, p. 27, PL iv, fig. 5. 

 Catocala aholah Strecker, 1874, Lep. Rhop. Het., p. 96, PL xi, fig. 8. 

 Catocala formula var. isabella Hy. Edwards, 1880, Bull. Brooklyn Ent. Soc, III, p. 60. 



This species may be readily separated into three forms, similis, aholah, and isabella. The type form is deep, almost 

 slaty, gray, with a pale triangular apical patch; the figure (PI. X, fig. 6) is too brown in tone. The variety aholah is paler, 

 with a large black patch in the median space and a black subapical dash on the outer margin. Holland's figures 



