186 The Philippine Journal of Science 



Heterobostrychus aequalis Web. 



Found in bamboo, Bambusa blumeana Schultes f. 



Holotrichia vidua Sharp. 



Larvae feed on roots of sugar cane; Saccharum officinarum Linn. 



Hypocryphalus obscurus Hopk. 



Found in "cacao silvestre." 

 Hypocryphalus rotundus Hopk. 



Found in log of Dipterocarpus grandiflorus Blanco. 

 Hypocryphalus striatus Hopk. 



Found ^in Parinarium sp. 

 Hypothenemus dipterocarpi Hopk. 



Found in bark of dead branches of Dipterocarpus palosapis. 



Hypothenemus webbi Hopk. 



Found in bark of dead branches of Cupania sp. 



Hypothenoides parvus Hopk. 



Found in dead branches of "lemon silvestre." 



Laccoptera luzonica Spaeth. 

 Feeds on Ipomoea triloba Linn. 



Lasioderma serrlcorne Fabr. 



Very injurious to tobacco and cigars. 



Lophocateres puslllus Klug. 



Injurious to stored corn. (C. F. Baker.) 



Luperomorpha serricornis Duv. 

 Injurious to tomatoes. 



Macrotoma luzonum Fabr. 



Larvse feed in Heritiera littoralis Dry. 



Margadilllus confusus Hopk. 

 Found in branches of "tucuen." 



Margadilllus erythrinae Hopk. 

 Found in Erythrina indica Lam. 



Margadilllus margadilaonis Hopk. 

 Found in log of "margadilao." 



Margadilllus minutus Hopk. 

 Found in "tucuen" tree. 



Mecopus bispinosus Weber. 



In dead wood of mulberry, Morus alba Linn. 



Mecopus hopei Rosensch. 



Found in dead wood of mulberry, Morus alba Linn. 



Metriona trivittata Fabr. 



Feeds on Ipomoea triloba Linn. 



Monochirus moestus Baly. 



Feeds on bamboo, Bambusa blumeana Schultes f. 



Nauphaeus linearis Heller. 



Shot-hole weevil of coconut, Cocoa nucifera Linn. 



