312 STATE BOARD OF AGRICULTURE. 



DISONYCHA Chev. 



D. pennsylvanica 111. Westville, V, 27, Anglesea, V, 31, Da Costa, Clemen- 

 ton, VIII, 6 (W), Newark district (Bf), Lahaway, V, 28: the varieties 

 limbicollis Lee, and pallipes Cr., occur with the type form, but more 

 rarely ; I have both of them from Ocean Co., and from the Newark dis- 

 trict. On Polygonum (Bt), on Sagittaria variabilis (Ch). 



D. quinquevittata Say. Fort Lee, VIII (Bt): a very rare form in the east ; 

 common west of the Mississippi. 



D. crenicollis Say. South Jersey, g. d., V, 17, VII, 29, VIII, 2, 20 (W), 

 Hudson Co. (LI), Lahaway, VII, 3. 



D. caroliniana Fabr. Woodbury, IV, 21, Atco, Westville, VI, 4, 6, Angle- 

 sea, VII, 12 (W), Caldwell (Cr), Hudson Co. (Ll), Madison (Pr), Ft. Lee 

 (Bt), Hopatcong (Pm), Burlington Co., New Brunswick ; bred from 

 larvae feeding on Portulacca oleracea (Ch). 



D. glabrata Fabr. Da Costa, VII, 29, Hudson Co. (Ll), salt meadows (Bf), 

 Ft. Lee (Bt) ; lives on foliage of Amaranthus (Ch). 



D. triangularis Say. Hudson Co. (Ll), Madison (Pr), salt meadows (Bf ), 

 Ft. Lee (Bt) : lives on Chenopodium and Amaranthus and adult is, 

 exceptionally, injurious to beets and spinach (Ch). 



D. xanthomelaena Dalm. G. d. (W, Li), Hudson Co. (Ll), Newark (Soc\ 

 Hopatcong (Pm), Gloucester Co., VII, 18 : the "Spinach flea beetle" ; 

 natural food plants- are Chenopodium, Stellaria und perhaps Amaranthus 

 (Ch). I have not found it troublesome in New Jersey. 



D. mellicollis Say. Anglesea, VII, 12, and g. d. (W), Hudson Co. (Ll). 



D. cervicalis Lee. Staten Island (Lg) : a very rare species. 



D. collata Fabr. Anglesea, one spec. (W), g. d (Li), Hudson Co. (Ll), Ft. 

 Lee (Bt). 



HALTIOA Geoffr. 



H. bimarginata Say. New Jersey (Horn), Newark, g. d. (Bf). 



H. chalybea 111. The "grape flea-beetle": occurs throughout the State, 

 and is sometimes locally injurious. Adults in May and July, larvae from 

 June to the end of summer. Can be readily controlled by using the 

 arsenites when the larvae are discovered. 



H. ignita 111. Occurs throughout the State, May to August : at Anglesea only 

 the green form similar to that found in Florida occurs (W), hibernates 

 as an adult: attacks strawberry (Ch), common on Azalea, Kalmia, 

 Rosacea, &c. (Hn). 



Fig. 139. — Grape flea-beetle, Haltica chalybea in all stages on a grape shoot. 



Fig. 140. — Grape flea-beetle, Haltica chalybea : larva, adult and jumping hind leg, enlarged. 



Fig. 141. — Striped flea-beeile, Phyllotreta vittata : a, larva ; b, adult beetle. 



Fig. 142. — Striped sweet potato beetle, Cassida bivittata : 1, larva; or " peddlers " on leaf; 2, larva ; 

 3, pupa; 4, adult; all save 1 enlarged. 



Fig. 143. — Black-legged tortoise beetle, Cassida nigripes ; a, peddlers on leaf; b, larva ; c, pupa ; d» 

 adult : all save a, enlarged. 



