FRUIT PLIES OF THE GENUS DACUS. il9 



last segment are broad and placed oWiquely ; ovipositor reddish brown, with the 

 second segment lighter ; venter black, with yellow base. Legs entirely reddish 

 brown, with whitish pubescence ; the base of the four posterior femora and the four 

 posterior praetarsi are pale yellowish ; apical spur of middle tibiae long and black. 

 Wings rather narrow, greyish hyaline, with a brown yellowish fore border, which 

 surpasses a little the third longitudinal vein, and is darker brown in the part below 

 this vein and in the apical part above the end of the second longitudinal vein. Along 

 the anal cell there is a broad but faint pale yellowish streak. Small cross-vein 

 straight ; last sections of third and fourth longitudinal veins almost straight and 

 parallel. 



Type $ (author's collection), a single specimen from Bhamo, Burma, vii, 1886 

 {L. Fea) ; cotypes in the Museum Civico, Genova. 



25. Mellesis eumenoides, sp. nov. 



Nearly allied to the preceding species, and perhaps only a variety of it, but dis- 

 tinguished by the flattened ovipositor, well developed upper fronto-orbital bristles, 

 and different pattern of body and wings. 



(J $. Length of body, 10 mm. ; length of antenna, 2'5 mm. ; length of ovipositor, 

 2 mm. 



Head and its appendages as in M. destillaforia, but with the following differences. 

 There is no complete blackish cross-band on the frons, but only a less distinct dark 

 middle spot ; the face is entirely reddish yellow, with only a small black spot on each 

 side near the upper end of the antennal furrows ; mouth-edges without a black border ; 

 upper pair of fronto-orbital bristles thin but distinct, but the three lower pairs seem 

 to be deciduous, being wanting or represented only by hairs. Thorax and scutellum 

 as in destillatoria, but the yellow markings are much less distinct, being of a reddish 

 colour, only a little paler than the colour of the surrounding parts. Abdomen shaped, 

 coloured and clothed as in destillatoria ; third segment of male wdth well developed 

 black cilia, the genitalia in the same sex black, retracted ; ovipositor with the basal 

 segment flattened and black below, the second segment yellowish. Legs paler than 

 in the preceding species. Wings with the same pattern and the same neuration ; 

 but in the brown end of the submarginal cell there is a hyaline streak, which is wholly 

 wanting in destillatoria. 



Type (^ and $ (British Museum) and another male specimen from Takton, 

 Upper Burma, 6-7. ix. 1914, bred from fruits of Trichosanthes cncumerina, excl. 

 20-21. ix, 1914 {K. D. Shroff). An additional male specimen from Myitkyina, 

 Upper Burma, excl. ix.l914, from cucumber (T. B. Fletcher). 



The puparium of the present specices is of a pale whitish yellow colour, opaque, 

 with less marked segmentation ; posterior spiracles approximated, on a rounded 

 blackish area. 



V. MoNACROSTiCHUS, Bczzi (1913). 



As stated above, this genus is now restricted to its type species M. citricola, because 

 I do not know if the species attributed to it in the Philippine Journal of Science 

 belong in reality to it, or to Mellesis, or to some other genera. To the characters of 

 the genus must be added that the thoracic suture is complete, thus indicating perhaps 

 affinity with the genera Adrama and Meracanthomyia. Lower fronto-orbital bristles 



