109 



The Natal Fruit Fly. 



(PL V, fig. 19.) 

 Ccratitis rulivora, Coquillet. 



(Proceedings of the U.S. National Museum, Vol. XXIV, p. 29, No. 1,243, 



1901.) 



" Head yellowish, a grey spot streaked with black above the neck and 

 sending a wide stripe to each eye, a black ocellar dot ; mouth parts and 

 antennae yellow, the arista short plumose, brown, the base yellow, antennre 

 three-fourths as long as the face, front in both sexes bearing only normal 

 bristles, thorax yellowish-brown, largely greyish pruinose, mesonotum 

 marked on each side with a broad, interrupted, black, polished stripe and 

 with three narrow, indistinct, black, median lines which at their posterior ends 

 expand so as to meet each other; between this point and the scutellnm is a 

 transverse pair of polished, whitish spots, humeri whitish, upper part of 

 mesopleura yellow ; scutellum yellow, the outer margin marked with three 

 black spots, metonotum polished black, crossed in the middle by a broad 

 transverse, opaque, greyish pruinose fascia emarginate in the middle of the lower 

 edge, two yellow spots on each side of the metathorax ; abdomen yellowish, 

 the third and fifth segments, except a large triangular spot in the middle of 

 each, black ; wings hyaline, a brown cross-band on a line with the humeral 

 cross-vein, followed by about ten brown dots, a second brown cross-band, 

 yellowish in the vicinity of the small cross-vein, extends from the costa 

 beyond apex of auxiliary vein to apex of the sixth, including the small 

 cross-vein in its outer portion ; a brown stripe, yellowish in the central part, 

 extends close to the costa from beyond apex of first vein to beyond apex of the 

 third, its margins marked with four or five darker brown dots; an elongated, 

 oblique, brown spot on the fourth vein before its apex, and a larger one 

 bordering the hind cross vein : legs yellow, in the n:ale the front femora 

 marked with a black streak on the upper and ar other on the posterior side, 

 middle femora on the broad apex, except a streak on the anterior side and 

 the extreme apex, black ; hind femora with a black spot before apex of urder 

 side prolonged as a streak in the middle of the anterior side ; middle tibiae, 

 except the extreme ends, black ; in the male the under side of middle femora 

 on the apical half, also the inner and outer sides of the middle tibiae, densely 

 fringed with long flattened bristles ; halteres yellowish ; ovipositor of female 

 irri'jitly flattened, the basal piece as long as the last two abdominal segments. 

 Length, 4 to 5 mm. 



Type in the United States National Museum. Specimens collected at 

 Wynberg, Cape Colony, South Africa. 



Specimens of this fruit-fly were sent to Coquillet by C. P. Lounsbury, 

 from Cape Colony, to be" identified, or described if new. He returned the 

 "-types to Mr. Loimsbury, who has very kindly presented me with 

 specimens. 



This fly is about the same size as Ceratatis cctpilata, but of a general 

 lighter brown tint ; the dark markings on the dorsal surface of the thorax 

 wanting, or only showing faint traces on the hind half; while the scutellum 

 is very prominent with a large square black mark in the centre, and a 

 smaller rounded one on either side. The apex of the thorax is more silvery, 

 and the two bands round the abdomen are more grey than mauve. The 



