438 MYRMELEONITES. 



Ferruginous, clothed with black hairs : head with a yellow 

 circle about the eyes, thickly clothed with black hairs about the base 

 of the antennae and with white hairs in front ; face testaceous : an- 

 lennaB testaceous, very slender, a little shorter than the wings ; 

 borders of the joints and club black: abdomen shorter than the 

 hind-wings ; segments with black streaks on each side ; underside 

 black: legs testaceous: wings limpid, rather short; stigma pale 

 yellow in the fore-wings, deep black in the hind-wings, comprising 

 five or four veins which are not forked ; breadth of the subcostal 

 region decreasing, slightly in the fore-wings, distinctly in the hind- 

 wings, from near the base to the stigma : hind-wings shorter and a 

 little narrower than the fore-wings, with a large brown spot on the 

 whole breadth behind the stigma, occupying only the disks of the 

 areolets. Length of the body 1 1 lines ; of the wings 24 lines. 



a. Brazil. From Mr. Stevens' collection. 



* * Alae posticae dilatatae. 



Subpalasca, p., Lefebvre, Mag. Zool. 1842. 

 Cordulecerus, Ramb. Hist. Nat. Ins. Neur. 359. 



Head and chest very hairy : labium slightly heart-shaped, very 

 slender, with its side borders much folded inward, fringed with 

 thick bristles, coarctate, united with the upper border, which declines 

 within in the form of a hood ; its upper extremity notched or exca- 

 vated, its angles bearing a tuft of bristles, which are rather long, 

 very thick, bent, almost like spines: last joint of the labial palpi 

 longer than the preceding one ; first and second joints of the maxil- 

 lary palpi very short ; third and fifth almost equal, longer than the 

 fourth: maxilla? broad at the base where their bristles are the 

 longest : antennae rather long, shorter than the wings, their clubs 

 compact and oblong: divisions of the eyes almost equal : abdomen 

 almost bare: spurs of the hind-tibiae as long as the first and second 

 joints : wings broad, dilated (the hind-wings especially) hindward ; 

 reticulation rather close ; transverse branch of the fifth vein forming 

 with the basilar vein a narrow well-defined space, which has but 

 one range of areolets, of which the first and second are often tra- 

 versed by a veinlet. Male without appendages. 



