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spot partly placed between the eyes and the median spot. The 
ocular spot merges into the large lateral one. The transverse spot 
of the first thoracical segment is bent slightly backwards, and there 
is no marked difference between the median and the lateral parts 
these ones being only a little broader, directed forwards and gradually 
merging into the former. The other tergites are blue with in- 
distinct yollowish interarticulation membranes. 
Measurement. The single specimen measured in length 1,80"”, 
and in breadth 0,50r"m, The length of the labial appendages is 
0,22, of the pseudocapitulum 0,46, of the free part of the labrum 
0,16 and of the antenna 0,45. Leg 2 measured 2,60, and leg 3 
narre 
Locality. I have only examined one mutilated male from 
Aden — Arabia felix. 
