46 Embrik Strand: 



Iphiaulax rotundicanaliculatus sp. n. [Type fehlt]. 



Black, the head, thorax, except the metathorax, fore legs, 

 middle trochanters, base of middle femora narrowly and tbe bind 

 knees, red; apex of mandibles broadly black; palpi pale red; wings 

 fuscous, basal abscissa of radius sharply obliquely sloped, the 

 transverse median nervure not quite interstitial. First abdominal 

 Segment keeled down the middle, irregularly transversely striated 

 on either side of the keel, the Striae more or less curved, and stronger 

 on the apical tban on the basal half. The keel on the 2nd segment 

 small, narrow, the basal plate small, wider than long, triangulär, 

 almost smooth, the raised central part becomes narrowed towards 

 the apex, where it istwice the width of the base of the basal plate; 

 on either side of the keel it is irregularly reticulated, the outer 

 part being longitudinally striated; Lhe outer edge is obliqueyl 

 striated at the base, the rest more finely, almost longitudinallv 

 striated; the 3rd segment is more finely, closely and regulär ly 

 striated, the 4th still more finely striated to near the apex. The 

 first furrow is wide, strongly striated and curved; it has not the 

 usual oblique lateral branch. There is a narrow crenulated furrow 

 on the apex of the3rd segment, but none on the base of it. Sheaths 

 of terebra broad, densely covered with stiff black pubescence. $. 



Length 16 m. m., terebra 18 m. m. 



Deli, Sumatra (Dr. L. Martin). 



Head large, cubital, the temples clearly longer than the top 

 of the eyes, not obliquely narrowed, rounded laterally behind, the 

 occiput transverse. Antennal tubercles large, broad; below them 

 is a distinct longitudinal keel. Clj^eus clearly separated behind 

 by a curved furrow. Mesonotum distinctly trilobate, the middle 

 lobe raised, transverse in front, narrowed towards the apex. Meta- 

 thorax and coxae densely covered with pale pubescence. The 

 furrow at the base of the scutellum is narrow, crenulate. Meta- 

 notum sparsely, but distinctly punctured; in the centre of the 

 apex is a distinct pyriform fovea; the apical half of the meta- 

 notum is bounded by a distinct furrow. 



Iphiaulax pallidiceps Cam. et Strand n. sp. 



$. Schwarz; Kopf blaßgelb und ebenso die Mandibeln mit 

 Ausnahme der Spitze und die Palpen; Pro- und Mesothorax, die 

 Scutellen, Vorderbeine sowie die mittleren Femora und Tibiae 

 rot. Flügel schwarzbräunlich mit violettlichem Schimmer, Stigma 

 und Nerven schwarz. — Die 3. Abscisse des Radius so lang wie 

 die beiden anderen zusammen. Die mediane Querader inter- 

 stitial, die rekurrente Ader mündet in die Spitze der ersten Cubital- 

 zelle ein. — Gesicht in der IMitte glatt und glänzend, an den Seiten 

 und unten durch eine Furche begrenzt. Stirnein Senkung breit, 

 tief und scharf abgesetzt. — Beine kurz und spärlich behaart. — 

 Das erste Abdominalsegment basalwärts glatt, in der Mitte da- 

 selbst mit einer an beiden Enden zugespitzten Grube, die Spitze 



