ALBARDIA FURCATA. 235 



and by the length of the spurs. It is named after the late 

 Dutch neuropterologist Herman W. Albarda. 



Type of the genus : 



Alhardia furcata, n. sp. 



Antennae short, brown, underside yellow with dark arti- 

 culations. Club oval, black. Eyes very large, hemispherical. 

 Mouth and palpi black, with black pubescence. Front black. 

 The space between the antennae with strong upwards 

 curved black hairs. 



Thorax brown, with redbrown pubescence. Legs long and 

 robust, black, with black pubescence. Anterior tibiae curved. 

 Posterior tibiae yellow, with black base and tip and a nar- 

 row black ring at ^4 from the base. 



Abdomen pitchy, each segment (on the dorsal and ventral 

 side) with two lateral black hair-tufts. Lateral appendices 

 of the male robust, club-shaped, pitchy brown, densely clothed 

 with black hairs. The genital valve surrounds the basal 

 portion of the last segment and narrows in an upwards 

 curved appendix, ending in a quadrangularly dilated portion 

 with two upwards curved slender projectures, which are 

 hairy at the tip. The female has a triangular genital valve, 

 the rounded tip of which does not reach the end of the 

 abdomen. 



Wings with brown neuration, a black portion for about 

 1 mm. at the base. The greatest breadth of the anterior 

 wing is at about the middle, that of the posterior one at 

 about '/g from the base. The anterior margin of the posterior 

 wing is curved outwards at the tip near the pterostigma. 

 Pterostigma 3 mm., brown, round, with about 6 pitchy brown 

 cross veinlets. Costal veinlets about 44 in the anterior, and 

 35—40 in the posterior wing, not furcated. 



Length of the anterior wing of the cT 48 mm., of the 

 9 53 mm.; that of the posterior wing of the cf 45 mm., 

 of the 9 ^^ rim\. 



Greatest breadth of the anterior wing of the cf 14, of 



N'otes from the Leyden IMuseum, Vol. XXIII. 



