DEXIA. 95 



iris, Fal. Nigra, frontalibus atris, palpis fulvis, thorace fusco-trivittato, 

 antennis basi abdominis latei-ibus femoribusque rufis, alis subcinereis. 

 Long. 41; alar. 9 lin. 



Black. Head with silvery tomentum ; frontalia deep black ; facialia 

 without bristles ; epistoma not prominent. Eyes bare. Palpi tawny. 

 Antennae reaching the epistoma ; first and second joints red ; third 

 joint red at the base, sublinear, slightly broader towards the tip, which 

 is rounded, about four times the length of the second ; sixth minutely 

 pubescent, stout towards the base, more than twice the length of the 

 third. Thorax with whitish tomentum, which is interrupted by two 

 dark brown stripes. Wings slightly grey ; costal vein ending at a 

 short distance in front of the tip, with two spines by the tip of the sub- 

 costal vein ; subcostal vein ending at a little before one-third of the 

 length ; mediastinal vein ending at much beyond one-third of the 

 length ; radial vein ending at about six-sevenths of the length ; cubital 

 vein ending near the tip of the costal ; prajbrachial vein emitting a 

 long branch from its flexure, which forms a very slightly obtuse angle ; 

 near this it is slightly curved inward, and thence is almost straight to 

 its tip ;^discal transverse vein with two distinct curves, parted from the 

 border by much more than half its length, and by a little more than 

 half from the flexure of the prasbrachial. Abdomen subcompressed, 

 elongate-fusiform, with silvery -white reflections along the middle and 

 on each side ; first, second, and thu'd segments red on each side. Fe- 

 mora red. 



Not common. (E.) 



2. cristata? Meig. Zw. v. 41. 14 (1826); Mcq. ; Zett. Nigra, 

 cinereo-tomentosa, capite autice palpis antennis scutello abdomine pe- 

 dibusque testaccis, frontalibus rufis, thorace quadrivittato, scutello basi 

 abdominis vitta tarsisque nigris, alis subcinereis. Long. 4^; alar. 

 10 lin. 



Fem. Black, with cinereous tomentum. Head with whitish tomen- 

 tum, testaceous in front. Frontalia red, widening much in front, 

 bordered on each side with a single row of bristles which extend to 

 the base of the antennfe ; epistoma slightly prominent ; eyes bare ; pro- 

 boscis and p^pi testaceous. Antennfe testaceous, not near reaching 

 the epistoma ; third joint little more than twice the length of the 

 second ; fourth and fifth short, distinct ; sixth stout and black towards 

 the base, twice the length of the third. Thorax with four slender 

 interrupted black stripes ; scutellum testaceous except at the base. 

 Wings slightly grey; costal vein ending at a little in front of the tip of 

 the wing ; subcostal vein ending at a little beyond one third of the 

 length; mediastinal vein ending at a little beyond half the length; 

 radial vein ending at about four-fifths of the length ; prtebrachial vein 

 emitting a short branch, and forming a right angle at the flexure, near 

 whicji it is slightly inclined inward, and is thence almost straight to its 



