122 MM. smith's DESCniPTIONS OF HTMENOPTEROUS INSECTS 



2. Sphex (liabolicus. Smith, Proc. Linn. Soc. ii. 100. 

 Hab. Baoliian; Borneo. 



3. Sphex sericea, Fabr. Syst. Piez. 211. 



Hab. Bachian ; Aru ; Malacca ; Borneo ; Java ; Philippines. 



4. Sphex formosa, Smith, Cat. Hym. Ins. iv. 254. 

 Hab. Bachian; Amboyna; Ceram. 



The specimens from Ceram have the face and thorax clothed with golden 

 pubescence, those from Amboj-na agree with them in that particular ; whilst 

 the Bachian examples have the pubescence silvery with a golden tinge. 



5. Sphex tyrannica. S. nigra ; capite thoraceque pube nigra ves- 

 titis ; alis brunneis cupreo iridescentibus. 



Female. Length 13-14 Unes. Black; the head and thorax clothed 

 with short black pubescence, the vertex and the scutellum naked and 

 shining; the anterior margin of the clypeus rounded ; the mandibles 

 stout, and acute at their apex, with an acute tooth about the middle of 

 their inner margin ; the legs stout, the tibia; and tarsi spinose ; wings 

 dark brown, their apical margins with a darker border. Abdomen 

 smooth and shining ; the petiole short. 



Hab. Bachian ; Kaisaa. 



6. Sphex jaculator. S. nigra; facie pube argentea vestita; alis 

 fuscis ; abdomine nigro-caeruleo. 



Male. Length 7 lines. Black ; the head and thorax with a thin gri- 

 seous pubescence ; the face covered with silvery pile ; the mandibles 

 pale i-ufo-testaceous, their tips black. Thorax slightly shining on the 

 disk; the legs shining ; the wings fuscous, the nervures black. The 

 abdomen black with a blue tinge ; the extreme base of the first seg- 

 ment at its point of attachment to the petiole rufo-piceous. 



Hab. Bachian. 



7. Sphex morosa. S. nigra ; abdomine nigro-cseruleo, laevigato, 

 nitido ; ahs brunneis cupreo iridescentibus. 



3Iale. Length 10 lines. Black ; the face covered with silvery pile and 

 thickly clothed with rigid black hairs ; the vertex shining and thinly 

 sprinkled, as well as the cheeks, with black pubescence. The wings 

 dark brown with a coppery iridescence ; the thorax thinly covered 

 with black pubescence ; the claws bidentate beneath ; the abdomen 

 blue-black, its petiole nearly as long as the first and second segment. 



Hab. Bachian. 



8. Sphex volatilis. S. nigra; facie pube aurea vestita; alis flavo- 

 hyalinis ; abdomine nigro-cseruleo, pedibus ferrugineis. 



Male. Length 9 lines. Black, the femora, tibiae, and tarsi ferruginous, 

 with the tips of the claws black. The face covered with golden pile 

 and sprinkled with black hairs ; the scape of the antennae ferruginous 

 at its apex in front. Thorax slightly shining on the disk and thinly 

 clothed with black pubescence ; the wings flavo-hyaline, the nervures 



