556 APIDJE. 



apical ventral pegment with the lateral margins raised ; and in the 

 male the posterior tibiae are only slightly attenuated at the base. 



The species of this genus are well-known as inquilines, guests or 

 messmates of the Bomhi. Only one species, so far as I know, has 

 as yet been recorded from within our limits. 



*980. Psithyrus hellavdii, Grib. Bull. Soc Ent. Ha!, xxiii (1891), p. 108, 

 2 ; JMl. Ton: Cat. x, p. o6G. 



" 2 . Of small size, nigro-fuscous ; the head, thorax, a transverse 

 fascia between the wings, the 2nd and 3rd abdominal segments 

 above, and the legs with black pubescence ; the extreme apex of 

 the tarsi with reddish hairs ; thorax, and the 1st, 4th, and 5th 

 abdominal segments above with dense fulvous pubescence ; wings 

 fulvo-hyaline, slightly effulgent with purplish tints ; labium as in 

 most species tuberculate,the hypopygium formed as in the European 

 P. vestalls. 



" Hab. The Shan Toma, Upper Burma. $ . Length 15-19 mm." 



Genus APIS. 

 Apis, Linn. Srjst. Nat. i, p. 953 (1767). 

 Type, A. meUifera, Linn. 



Bange. Indigenous or introduced in all parts of the world. 

 5 . Head * as wide as the thorax ; eyes ovate, pubescent ; 

 antennae in a triangle on the vertex ; clypeus elongate ; the labial 

 palpi 4-jointed, the 2nd joint much shorter than the 1st, apical 

 two minute ; maxillary palpi 1-jointed. Thorax globular : fore 

 wing long, rather narrow^ the radial cell long, narrow and rounded 

 at apex ; three cubital cells, the 1st and 3rd 

 nearly subeqnal on the cubital nervure, but 

 slightly varying in different species ; the 2nd 

 irregularly subtriangular, and nearly t^^ice as 

 long measured on the cubital nervure as either 

 of the other two; the 1st recm-rent nervure 

 received before the middle in the 2nd cubital 

 cell, the 2nd recurrent nervure received in the 

 Pig 187 —Apis 3rd cubital cell near or at the apex : legs 

 fiorea, §. |. stoutish, the anterior and intermediate tibiae 

 with a spine at their apex ; the posterior tibite 

 not spined, extremely smooth and shining, the margins fringed 

 with long hair curving inwards and forming the sides of the cor- 

 bicula ; the 1st joint of the tarsi slightly produced at its base 

 above, fringed with long hair, on the inside with rows of stiff 

 hairs. Abdomen more or less truncate at base, above convex, sub- 

 cylindrical, the sting curved. 



$ . Differs in the head being narrower than the thorax, the 

 posterior tibioe convex externally and not fringed witli hair, the 

 basal joint of the tarsi not produced above and not furnished with 

 the rows of stiff' hairs ; abdomen proportionately much longer, the 

 sting straight. 



* An outline figure of the head of Apis showing the mouth-parts is given 

 in the Introduction. 



