16 MALCOLM BURR. DERMATOPTERA. 



Hamaxas Burr. 



i. Hamaxas papuensis sp. n. 



Niger, abdomine rufo: antennae segmentis 16, cylindricis : pronotum aeque longum ac 

 latum, lateribus angulisque rotundatis, antice paullo convexum, angulis humeralibus rectangulis: 

 elytra brevia, lata, truncata, pilosa : alae longae : pedes brèves, tarsi segmentis primo tertioque 

 aeque longis, secundo longo, angusto, sub tertium producto. Abdomen parallelum, depressum ; 

 segmentum ultimum dorsale cT transversum, angulis subtuberculatis : Ç angustius: pygidium 

 cT brève, latum, tumidum, margine postico spinulis 2 acutis armatum ; Ç brève, obtusum, 

 margine postico lobulo quadrato instructum. Forcipis bracchia cf basi remota triquetra, 

 depressa, gracilia, valde elongata, basi ipso paullo extus arcuata, dehinc subrecta, sensim 

 convergentia, denticulis parvis armata, Ç recta, simplicia. 



c? 9 



Long, corporis .... il m. m. 10.5 m. m. 



Long, forcipis 5 m. m. 2 m. m. 



Of médium size, narrow, depressed. Black, abdomen and forceps reddish. 



Antennae with 16 segments, black, ringed with white before the apex: basai segment 

 long, gradually clavate; 2nd minute; 3rd longer, 4th a little shorter than 3,5th a little longer, 

 the rest gradually lengthening, almost cylindrical. 



Head black, depressed, the sutures not distinct, clothed with black bristles. 



Pronotum about as long as broad, subquadrate, the sides gently convex, the angles 

 rounded; anterior mai-gin gently convex, the shoulders rectangular. The head is separated by 

 a short neck. 



Elytra smooth, black, with stiff bristles, short, broad, truncate apically. 



Wings prominent, black. 



Prosternum quite twice as long as broad, scarcely constricted, posterior margin truncate. 



Mesosternum quadrate, posterior margin straight. 



Metasternum with posterior margin scarcely produced between the coxae, and gently 

 sinuate, so that the angles are sharp and prominent. 



Feet short, compressed, femora and tibiae black, tarsi dirty yellowish, rather broad, 

 short, the first and third segments about equaly long. 



Abdomen depressed, blackish red, latéral tubercles distinct. 



Last dorsal segment çf 1 transverse; in the middle near the posterior margin with a 

 slight tumid élévation eut by a médian suture, with a blunt small tubercule at each posterior- 

 angle, the posterior margin straight and somewhat thickened ; 9 simple, narrowed. 



Pygidium cT short, transverse, tumid, gently sinuate on posterior margin with a short 

 sharp spinule at each angle: O short depressed, obtuse, with a quadrate lobe on the posterior 

 margin. 



Forceps : çf with the branches remote, depressed, triquetre at the base itself, and rather 

 dilated there on the inner margin, gently bowed outwards at first and than straight, gently 

 converging. The apex itself gently hooked : there is a minute denticulation near the base on 

 the inner margin and a small sharp tooth just beyond the middle: in the 9 the branches 



