17 



a Braconid : These four are parasites upon the larvae of Omiodes 

 acccpia, the cane leaf-roller. The Braconid is most abundant. 

 Echtlironiorpha occurs only in the higher cane fields. 



Centistes aincricaiia: Parasitic on Coccincila re panda. A few- 

 seen. 



DIPTERA 



Pipunculus sp:* This internal parasite of the leaf-hopper was 

 found in all of the plantations of the island except Puako 

 and most of those of Kohala. 



Xanthogramma grand'icornis: Common. Its larvae feed upon 

 cane aphis and other species of aphis. 



Volucella ohcsa: This large blue Syrphid very abundant every- 

 where. 



Erisfalis tcnax: Only a few seen. 



Eristalis punctulatns: Very abundant. 



A Tachinid: Parasitic on Oniiodcs acccpta; a few seen. 



Lantana Fly (Agromyzidae): Has been introduced in Hama- 

 kua, and its work is showing. 



LEPIDOPTERA 



Oniiodcs blackbiinii: The palm leaf-roller is doing a good deal 

 of damage to palms on the windward side of the island. 



Ouiwdcs acccpta: The cane leaf-roller is found more or less 

 everywhere, but is not injurious except in some of the high- 

 est fields, about 1200-1800 feet elevation. Parasites are do- 

 ing good work in keeping it from getting worse. 



Hynienia reciirvalis: This moth is very abundant in cane fields, 

 its larvae feed upon an Amaranth-like weed (Eitxolna). 



Lantana Moth : This apparently was introduced in Hamakua 

 along with the lantana liy, and is helping it in preventing the 

 production of lantana seed. 



Cutworms : Are reported to be very destructive to garden crops. 



Pier is rapac: Abundant in cabbage patches. 



J'ancssa tanicaniea: This beautiful native butterfly is abundant, 

 especially above the 1,000 foot elevation. 



A7iosia plexippiis : Very abundant in lower regions. 



Lycaena blackbiinii: Scarce. 



Lycacna bactica: A'ery abundant, its larvae feeding upon beans, 

 crotalaria and other legumes. 



* Since described as P. juvator Perkins. 



