356 The Philippine Journal of Science 1921 
Genus AGRILUS Stephens 
Key to the species. 
1. Elytra spinose at tip 2. 
Elytra not spinose at tip, sometimes strongly dentate 12. 
2. Elytra unispinose at tip 3. 
Elytra bispinose at tip 8. 
8. Tip of elytron acuminate, spine at middle of apex. 4, 
Tip of elytron emarginate, spine on outer angle, sometimes with a 
very minute spine at sutural angle 6. 
4. Pygidium with projecting carina at tip 5. 
Pygidium without projecting carina at tip...... A, quadriplagiatus sp. nov. 
5. Elytra with pubescent spaces A. sexsignatus sp. nov. 
Elytra without pubescent spaces A. benguetensis sp. nov. 
6. Claws cleft in such a manner that the lower portion is turned inward, 
nearly or quite touching that of the opposite side T. 
Claws simply cleft, the lower portion not inverted........ A. ornatus Deyr. 
* 7. Above bright blue A. piperi sp. nov. 
Above green or bronzy green A. luzonicus Kerrem. 
8. Pygidium with projecting carina at tip 9. 
Pygidium without projecting carina at tip 10. 
9. Elytra with transverse dark band at apical third; male without 
tubercle at middle of first abdominal segment.. A. nigrocinctus Saund. 
Elytra with a small dark area at apical third along suture, not reach- 
ing lateral margin; male with two small tubercles at middle of 
first abdominal segment. A. inquinatus Saund. 
10. Elytra with pubescent spaces A. subspinosus sp. nov. 
Elytra without pubescent spaces. . il. 
11. Prothoracic carina short, very arcuate; elytral spines unequal; color 
[aj MOR Re arstew a pean eine Ee A. banahaoensis sp. nov. 
Prothoracic carina long, nearly straight; elytral spines equal; color 
bronzy green A. maquilingensis sp. nov. 
12. Claws cleft in such a manner that the lower portion is turned inward, 
nearly or quite touching that of the opposite side..........-..---....-------+--- 138. 
Claws simply cleft, the lower portion not inverted . 21. 
13. Hind angles of pronotum carinate 14. 
Hind angles of pronotum not carinate..............-.-.:--c-c-c-esecsseceseseseseseeeesoeeee 17. 
14, Hind tarsi half as long as the tibie; form elongate... A. occipitalis Esch. 
Hind tarsi not half as long as tibie; form short... 15. 
15. Intercoxal process elevated along sides A. albocinctus sp. nov. 
Intercoxal process not elevated along sides pigs |S 
16. Color above blue to greenish blue A. subpubescens sp. nov. 
Head and pronotum green; elytra brown....... A. zamboangensis sp. NOV. 
* The following species of Agrilus have been reported from the Philippines 
but have not been seen by me: Agrilus abdominalis Saund., A. acutus Thunb., 
A. aegnicollis Esch., A. atomus Kerrem., A. balnearis Kerrem., A. discicollis 
Deyr., A. fontanus Kerrem., A. pilicauda Saund., A. rubifrons Deyr., A- 
semperi Saund., A. striaticollis Kerrem., A. vilis Saund., and A. oreophilus 
Fisher (monticola Kerrem.). : 
