10 Philippine Journal of Science 1919 
2. Larger (length, about 6 millimeters) ; abdomen black, without light 
markings — melanogaster Cockerell. 
Smaller; abdomen marked with yellow valdezi Cockerell. 
Homicides dapitanellus Cockerell. 
Nomioides dapitanellus Cockerell, Entomologist 48 (1915) 107. 
Mindanao, Bapitan ( Baker 3161). 
Nomioides valdezi Cockerell. 
Nomioides valdezi Cockerell, Ann. & Mag. Nat. Hist. VIII IS (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. 
adonidias 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 1 0 
(1915) 488. 
Leyte, Tacloban ( Baker 3672), type locality. Luzon, Mount 
Maquiling {Baker), female. Mindanao, Davao ( Baker 8067), 
