200 Sl'EPHIDuE. 



Hadagalli, Ceylon, x. 1911; Margherita, Assam; Myingyan, 

 Bunna, xi. 1893 ( Capt. Watson) ; Maymyo, Upper Burma {H. L. 

 Andreives)- 8ibsagar (/Si. E. Paul); Peiiaug, 25. ii. 1908 (&'. Meade- 

 Waldo) ; 8emarang and other Javaii localities ; Borneo, Sumatra 

 and China. 



158. Megaspis chrysopygus, Wied. 



Eristalis chrysopi/ijus, Wiedemann, Zool. Mag. i, p. 3 (1819) ; id., 



Auss. Zweifl. ii, p. 152 (1830). 

 Megaspis chrysopycjus, Macquart, Dipt. Exot. ii. 2, p. 27, pi. vii, fig. 2 



(1842) ; de Meijere, Tijd. v. Ent. Ii, p. 240 (1908). 

 Volucella auratn, Macquart, Hist. Nat. Ins., Dipt, i, p. 494 (18.34). 



6 $ . Head : eyes in 6 very closely contiguous for nearly their 

 whole length, leaving a very small, raised, ocellar triangle with dull 

 red ocelli ; Irons and face black, finely punctate, the wrinkled 

 space large and obvious, dull orange-brown. Antennfe blackish- 

 brown ; arista dull orange, plumose above on basal half. Face 

 with short yellowish hairs, rather deepl}" sunken immediately 

 below base of antenuse and with a bare, shining, ratlier incon- 

 spicuous, elongate central bump. Occiput black, the sides shining 

 silvery -white, practically bare. In 5 , irons one-iifth the width of 

 the head at vertex, widening gradually downwards, being about 

 one-third of head at level of antennae; wholly black, finely 

 punctate, face with a little almost microscopic whitish pubescence. 

 Thorax black, minutely punctate ; pubescence black, very short 

 and invisible except when viewed at a low angle. Abdomen 

 shining black ; 3rd and 4th segments covered with short dense 

 golden- or orange-yellow recumbent pubescence ; venter mo- 

 derately shining, black. Leys all black, ■ with very short black 

 pubescence; posterior tarsi and pulvilli, also front pulvilli, bright 

 orange-yellow. A small spot of white pubescence at base of tibiae 

 on front side of fore pair, on outer side of middle pair and on 

 hinder side of hind pair ; hind tibiae rather flattened, with 

 dense shaggy black pubescence on front and hind sides. Wings 

 pale grey ; blackisli on about basal half up to the stigma, basal 

 three-fourths of 1st basal cell, whole of 2nd basal cell and more 

 than half of anal cell, with a slight extension embracing anterior 

 cross-vein. Thoracal squamse large, blackish, with broad con- 

 colorous fringe. 



Length, 15-17 mm. 



Described from two or three 5 $ from Sikkim {Knyvett) ; 

 Shillong, 5000 ft., ix. 1917 (Fletcher) ; Sibsagar {S. E. Paid) ; 

 Khasi Hills (Sladen ; Chennell); Bhamo Hills, Upper Burma, 

 4000 ft., V. 1916 (Macktuood). Occurs in Java, Sumatra and Siam. 



159. Megaspis aesymnus, WalJc. 



Eristalis (ssp)mus, Walkev, List. Dipt. Brit. Mus. iii, p. G30 (1849). 



6 2. Bead: frons in c? moderately prominent, shining black, 



with long dense black pubescence on upper part, the wrinkled 



