2:32 INSKCTA SAUNDEESIANA. 



brown ; poisers tawuy. Length of the body 4^ lines ; of the wings 1 1 

 lines. 



East Indies. 



Syrphus Opimius, Mas. 



Chalyhexis, capite flavo, thoracis lateribus scutelloque fulvis, abdomine 

 piceo fasciis flavis tribus laiissimis interruptis duabusque angustis 

 inlegris ornato, segmentorum marginibus posticis apiceque cyaneis, an- 

 tennis pedibmque fulvis piceo variis, alis limpidis. 



Head yellow, clothed with black baiis, paler and clothed with pale yel- 

 low hairs beneath : eyes red, clothed with short pale hairs : feelers tawny, 

 pitchy above ; sixth joint tawny : chest and breast steel blue : chest thickly 

 clothed with tawny hairs; sides and scutcheon tawny : breast tinged with 

 hoary, clothed with hoary hairs : abdomen pitchy, dbco\i\cdL\, much longer 

 but not broader than the chest, adorned with three very broad internipted 

 and two very slender entire yellow bands, the second and the third arched, 

 the fourth and the Jifth at the tip ; hind borders of the segments a7id tip 

 blue : legs taumy ; feet pitchy, lawny at the base; thighs towards the base, 

 hind-thighs and hind-shanks more or less pitchy : wings colourless ; wing- 

 ribs tawny ; veins black, tawny at the base ; brands brown ; poisers tawny. 

 Length of the body 5 lines; of the wings 10 lines. 



East Indies. 



Syrphus Caldus, Mas. 



JEnev^, capite pectoreque cyaneis, abdomine nigro fasciis fulvis tribus in- 

 terruptis duabusque incisis ornato, segmentorum marginibus posticis 

 (sneis, antennis pedibusque piceis, alis cinereis costa fuscis disco sub- 

 fuscis. 



Allied to S. balteatus and .S". alternans. Head metallic blue, thinly 

 clothed above with black hairs, white and clothed with white hairs be- 

 neath ; a hoary stripe on each side of the face ; covering of the crown 

 tawny : eyes bronzed : feelers pitchy : chest brassy, clothed with tawny 

 hairs ; a tawny covering on each side : breast metallic blue, thinly clothed 

 with hoary hairs: abdomen black, linear, a little narrower and very much 

 longer than the chest, clothed on each side with very short black hairs, and 



