PIEKINAK: PIERIS OLEKACEA. 



1191 



T<ible of species, based on the cnterpillanit birth. 



Apiially enlarged hairs less thaiiuni'-tbinl ;is loiijj; as bnailili of head oleracea. 



Apically enlarged hairs nearly half as long as breadth (if head rapae. 



Tnble of species, based on the inutiiye caterpillar. 



Mediodorsal stripe indistinct, only marked by the al)sence of blaek points; two hinder divisions 

 of abdominal segments separated by a distinct, transverse crease oleracea. 



A distinct yellow mediodorsal line ; two hinder divisions of abdominal segments separated by 

 a very indistinct, transverse cre.ise rapae. 



Table of species, based on tlie cliri/sidis. 



Lateral prondnences of third abominal segment distinctly flaring; mesial thoracic carina with 

 a steep, anterior descent, at abont a right angle with the under surface of the body, oleracea. 



Lateral prominences of third abdominal segment scarcely flaring; mesial thoracic carina with a 

 gentle anterior descent, at an angle of about 45° with the under surface of the body.. rapae, 



Tnble of species, based on the imago. 



Fore wings generally free of spots both above and beneath, l)ut occasionally showing faint 

 ones, especially above, and particularly in upper median interspace, where normal in the 



other species; tip of hook of male abdominal appendages curved strongly downward 



oleracea. 



Fore wings almost invariably with two large, round, Ijlack spots in the upper median and 

 meilio-submedian interspaces, both above and beneath, occasionally absent from the lower 

 interspace; tip of hook of male abdominal appendages scarcely curved downward.. rapae. 



PIERIS OLERACEA —The gray veined white. 



[The gray veined white (Gosse); pot-herb Pontia (Harris); gardeu pouty (Emmons); pot- 

 herb butterfly (Minot) ; white butterfly (Fitch).] 



Pontia oleracea Harr., New Engl. Farm., 

 vii : 402 (1829) ; Ins. Inj. Veg., 3d ed., 269-271, 

 fig. 9!) (1862); Agass. Lake Sup., 386, pi. 7, 

 fig. 1 (1850) ; Entom. corresp., 361 (1869). 



Pieris oleracea Boisd., Spec. g^n. L6p., 

 i : 518 (1836) ;— [D'Urb.] Can. nat. geol., ii : 347 

 (1857);-D'Urb., ibid., v : 243 (I860):— Morr., 

 Syn. Lep. N, Amer., 19, 315-17 (1862);— 

 Scudd., Proc. Bost. soc, nat. hist., viii: 178- 

 80(1861); Butt., 165, figs. 10, 44, 138, 139 

 (1881); Mem. Bost. soc. nat. hist., iv;66 

 (1887); — Lintn., Proc. entom. soc. Philad.,iii: 

 52-4 (1864) ; Ent. notes, i : 28-29 (1872) ;— Reak., 

 Proc. eniom. soc. Philad., vi ; 131-2 (1866) ;— 

 Ril., Rep. Ins. Missouri, ii: 105-6, figs. 75-76, 

 (1870) ; Rep. U. S. dep. iigric, 1883, 115-117, pi. 

 10, tig. 5 (1883) ;— Fitch, Trans. N. Y. st. 

 agric. soc, 1869,531-542 (1870);- Glov., Rep. 

 U. S. dep. agric, 1870, 79, fig. 37 (1871) ;— Beth., 

 Rep. ent. soc Ont., 1871, 84, figs. 87-88 (1872) ; 

 Can. ent., v: 37-39, fig. 7 (1873) ;— French, 

 Rep. ins. III. vii : 143-144 (1878) ;-Thom., ibid. 

 ix : 26 (1880) ; Middl., ibid., x : 77, fig. 9 (1881) ; 

 — Gosse, Can. ent., xv : 48-49 (18.S3);— Fern., 

 Butt. Me., 27-28, figs. 3-t (1884) :— Mayn., Butt. 

 N. Engl., 47-48, pi. 6, figs. 64, 64a (1886). 



Ganoris oleracea Scudd., Syst. rev. Am. 

 butt., 41 (1872). 



Pieris napi (pars) Edw., Pap., i : 83-99, pi. 

 2-3 (1881);— French, Butt. east. U. S., 110- 

 113, figs. 26-27 (1886). 



Figured also by Glover, 111. N. A. Lep., pi. 

 31, fig. 2 ; pi. 106, fig. 28 (3 figs.) ; pi. 27, fig. 

 7 (ined.). 



[Not Papilio napi Linn.] 



PIERIS OLERACEA FRIGIDA. 



The darker veined spring form. 



Pieris frigida Scudd., Proc. Bost. soc. nat. 

 hist., viii ; 181-182 (1861). 



Pieris hidda Edw., Trans. Am. ent. soc, ii : 

 370 (18b9). 



Pieris napi form bryoniae var. hulda 

 Edw., Pap., i : 98, pi. 2, fig. 5 (1881). 



Ganoris oleracea var. borealis Grote, Bull. 

 Bufi". soc. nat. sc, i: 185 (1873);— Coup., Can. 

 ent., vi: 50-59 (1874). 



Pieris napi form oleracea hiemalis Edw., 

 Pap., i: 90, pi. 2, fig. 8 (1881). 



Pieris virginiensis Edw., Trans. Am. ent. 

 soc. iii : 13-14 (1870) ; Butt. N. Amer., i, Pieris 

 2, figs. .5-8 (1871). 



