TRIPETID.E. 



283 



six small; fleshy points. Puparia elliptical; the anterior 

 stigmata projecting somewhat buttonlike. The larvae of 

 Ceratitis live in the flesh of oranges and lemons, those of 

 Aciura have been found at the base of the flower stems of 

 P/ilomis, those of Acida mining in the leaves of Rumex, 

 those of Spilographa mining in the leaves of Senecio, or 

 Arctium or bred from the berries of Solatium carolinensis, 

 in the fruit of Prunus and Lonicera, etc.; those of Ensina, 

 in the blossoms of Senchus; those of Tephritis in the blos- 

 soms and galls of the stems or roots of various compositse; 

 those of Carphotricha in the galls and roots of Achillea, 

 the flowers of Hieracium, etc.; those of Trypeta in the 

 heads of Cirsium, Ceutaurea, etc., and in stems of plants. 



TABLE OF GENERA. 



1. Ovipositor of female remarkably elongated; second longitudinal 



vein usually with a slump of a vein (19). Toxytrypana. 



Ovipositor not remarkably elongated and curved. . . 2 



2. Front on each side with a bristle having a terminal, leaflike ap- 



pendage Ceratitis. 



Front without such bristles. ....... 3 



3. Wings with colored markings not reticulate. .... 4 

 Wings hyaline or with the markings reticulate or spotted. . 19 



4. Scutellum with six bristles (9). . . . Hexachaeta 

 Scutellum not with six bristles. ...... 5 



5. Fourth longitudinal vein conspicuoxisly curved forward at its tip 



(11,20) Anastrepha. 



Fourth longitudinal vein not conspicuously curved forward at its 

 extremity. .......... 6 



6. Distal portion of the wings with two hyaline indentations, sepa- 



rated by a curved or arched brown projection from the brown 

 obliqiie cross-band or spot before it, the anterior indentation 

 more slender, the posterior one (in the second posterior cell, 

 crossing or not the fourth vein) more triangular in shape. 7 



Wings with three such indentations. . . . Polionota. 



Wings not so marked. . . . . . . . .11 



