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241. 

 TEPHRITIS CORNUTA. 



Order Diptera. Fam. Muscidae LaU, Leach, Meig. 

 Type of the Genus Musca Cardui Linn. 

 Tephritis Lat., Fab., 111., Leach. — Trypeta Meig. — Dacus Fab. — 

 Musca Linn. 



AntenncB inserted in a cavity at the top of the face, decumbent 

 approximating, 4-jointed, basal joint the smallest, 2nd larger 

 cup-shaped, pilose ; 3rd large, subovate pubescent, producing a 

 setiform, sometimes slightly pubescent joint, seated near the base 

 at the top (3). 



Trophi nearly concealed in a cavity at the bottom of the face. 

 Labrum none ? 



Tongue shorter than the palpi, horny, strong and lanceolate (1 c). 

 Mandibles none. 



MaxillcB very minute or none. Palpi large membranous, elon- 

 gate-ovate, pubescent and producing some veiy rigid bristles (f). 

 Lip large membranous bilobed striated and pilose (g). 

 Head as broad as the thorax, subglobose. Eyes remote, ovate. Ocelli 

 3, on the crown of the head. Hypostoma somewhat sloping, flat and 

 naked (2*, front view of face the antenncB removed). Thorax sub- 

 quadrate. Scutellum triangular rounded. Abdomen oval, b -jointed; 

 the females furnished with a long horny attenuated ovipositor. Wings 

 pubescent frequently maculated, containing about 13 cells (9). Hal- 

 teres capitate. Tarsi ^-jointed, the basal one equal in length to the 

 remainder. Claws and Pulvilli distinct. 

 Obs. All the figures are from a female ofT. cornuta, excepting f. 2, 

 which is the head of the male in profile. 



Cornuta Fafe. Ent. Syst.v. A. p. 357. n. \QQ.—Meig.v.5. p.Zl^.n. 12. 

 Male, glaucous, pubescent. Antennae as long as the head, 2nd 

 joint armed vvith spines, and extending beyond the terminal joint 

 which is pubescent and ochreous. Eyes aeruginose. Head and 

 thorax producing a few black bristles, the latter cinereous with 2 

 black spots at the base, the sides yellow with a ferruginous stripe. 

 Abdomen with a double row of 4 black dots down the back and 

 3 on each side. Wings hyaline, a long brown spot at the apex 

 of the costa, reaching to the 1st of 3 transverse abbreviated ochre- 

 ous bands, margined with brown, a 4th being slightly indicated 

 near the base. Halteres yellowish. Legs cinereous. 

 Female, with the antennae simple, the Ovipositor long and ferru- 

 ginous. — Obs. The drawing and above descriptions were taken 

 from living specimens. 



In the Cabinets of the British Museum, Mr. Mathews, and the Author. 



The first specimen I saw of this insect was taken by Mr. Ma- 

 thews early in June, upon Scahiosa succisa, in a chalk-pit near 

 Sittingbourn, Kent. At the end of the same month I took 

 two males and several females upon the plant figured, at the 

 back of the Isle of Wight. The females were generally upon 

 the calyx; which leads me to believe that the curious ovipositor 



