10 Philippine Journal of Science i»i» 



2. Larger (length, about 6 millimeters) ; abdomen black, without light 



markings melanogaster Cockerell. 



Smaller; abdomen marked with yellow valdezi Cockerell. 



Nomioides dapitanellus Cockerell. 



Nomioides dapitanellus Cockerell, Entomologist 48 (1915) 107. 

 Mindanao, Dapitan (Baker 3161). 



Nomioides valdezi Cockerell. 



Nomioides valdezi Cockerell, Ann. & Mag. Nat. Hist. VIII 16 (1915) 

 487. 



Mindanao, Cagayan (Baker 3670) , type locality. Also Pala- 

 wan, Puerto Princesa (Baker 8065) . In the Palawan males the 

 mesothorax is usually steel blue, as in the type, but occasionally 

 it is shining green. There are two females from Palawan. 

 They are about 5.2 millimeters long; mesothorax green; scu- 

 tellum with two large yellow spots ; postscutellum with a yellow 

 bar; abdomen with large oblique cuneiform yellow marks at 

 sides of second and third segments. 



Nomioides melanogaster Cockerell. 



Nomioides melanogaster Cockerell, Ann. & Mag. Nat. Hist. VIII 

 16 (1915) 487. 



Mindanao, Dapitan (Baker 3162). 



Genus HALICTUS Latreille 



Females 1. 



Males 4. 



1. Mesothorax shining green; abdomen more or less purplish, green at 



base subpurpureus sp. nov. 



Mesothorax dullish or granular or abdomen not purplish 2. 



2. Abdomen bright green _ „ „ 3. 



Abdomen bluish green to olive green, but knees red; scape red at base. 



adonidise sp. nov. 

 Abdomen dark, at most slightly greenish pervarians sp. nov. 



3. All the tibiae red; scape red at base taclobanensis Cockerell. 



Tibiae black; scape all black imuganensis sp. nov. 



4. Abdomen black, slender pervarians sp. nov. 



Abdomen metallic, not slender 5. 



5. Abdomen blue-green; legs mainly dark cyanescens sp. nov. 



Abdomen yellowish green; tibiae and tarsi clear ferruginous; base of 



scape ferruginous taclobanensis Cockerell. 



Halictus taclobanensis Cockerell. 



Halictus taclobanensis Cockerell, Ann. & Mag. Nat. Hist. VIII 16 

 (1915) 488. 



Leyte, Tacloban (Baker 3672), type locality. Luzon, Mount 

 Maquiling (Baker), female. Mindanao, Davao (Baker 8067), 



