76 CECIDOMYZID^E. .. 



k Jc. Wings limpid. Species 51-55. 

 i i. Wings coloured. Species 56-63. 

 h h. Joints of the antennae of the male wholly single, 

 and with only one whorl of hairs. 

 i. Wings limpid, or nearly so. Species 64-71. 

 i i. Wings greyish, or grey. Species 72-82. 

 g g. Cubital vein joining the costal behind the tip of 

 the wing. 



h. Whorls of hairs on the joints of the antennae of 

 the male equally long above and below. 

 i. Wings unspotted. 

 j. Body white. Species 83. 

 j j. Body yellow, or testaceous. 



k. Thorax without stripes, or a dark disc. 



I. Wings limpid. Species 84-87. 



I 1. Wings nearly limpid. Species 88. 

 1 1 L Wings greyish. Species 89-92. 



k k. Thorax with stripes, or a dark disc. 

 L Wings limpid. Species 93-96. 

 I I. Wings nearly limpid. Species 97-99. 

 I I L Wings greyish. Species 100-103. 

 llll. Wings slightly brown. Species 104. 

 j j j. Body brownish-testaceous. Sp. 105, 106. 

 j j j j. Body tawny. Species 107-110. 

 j j j j j. Body brown, or black. 



k. Wings milk-white. Species 111. 

 k k. Wings slightly fawn-colour. Species 112. 

 k k k. Wings limpid. Species 113. 

 k k k k. Wings greyish. Species 114-117. 

 k k k k k. Wings grey. Species 118-121. 

 i i. Wings spotted. Species 122, 123. 

 h h. Antennae of the male with long hairs on the 



upper side. Species 124-126. 



//. Antennae filiform ; joints cylindrical, sessile, not verti- 

 cillate-pilose. Cubital vein joining the costal behind the 

 tip of the wing. Subgen. AspJwndylia, Loew ; Winn. 

 Species 127-132. 



d d. Thorax gibbous. Cubital vein joining the costal at the 

 tip of the wing, or behind it. Subgen. Hormomyia, Loew ; 

 Winn. 



e. Thorax prolonged over the head. Species 133-137. 

 e e. Thorax not prolonged. Species 138-145. 

 c c. Cubital vein emerging from a forked radicle, joining the costal 

 behind the tip of the wing. Subgen. Colpodia, Loew; Winn. 

 Species 146. 



b b. Transverse veinlet very oblique, emerging from the base of the 

 subcostal vein. 



