Food Plants International

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Dermolepida noxium Britton Scarabaeidae (COL) Dermolepida beetles
Ectropis sabulosa Warr. Geometridae (LEP) Cacao looper
Gesonula mundata sanguinolenta Kraus Acridiidae (ORTH.)
Heliothis armiger Huebner Noctuidae (LEP) Corn earworm
Hippotion celerio (L.) Sphingidae (LEP) Taro hawkmoth
Oribius cinereus Mshl. Curculionidae (COL) Shot hole weevils
Oribius cruciatus Fst. Curculionidae (COL) Shot hole weevils
Oribius destructor Mshl. Curculionidae (COL) Shot hole weevils
Oribius inimicus Mshl Curculionidae (COL) Shot hole weevils
Papuana biroi End. Scarabaeidae (COL) Taro beetles
Papuana huebneri Fairm. Scarabaeidae (COL) Taro beetles
Papuana japenensis Arrow Scarabaeidae (COL) Taro beetles
Papuana laevipennis Scarabaeidae (COL) Taro beetles
Papuana semistriata Scarabaeidae (COL) Taro beetles
Papuana trinodosa Prell. Scarabaeidae (COL) Taro beetles
Papuana woodlarkiana (Montr.) Scarabaeidae (COL) Taro beetles
Pentalonia nigronervosa Coq Aphididae (HEM) Banana aphid
Spodoptera litura (Fab) Noctuidae (LEP) Cluster caterpillar
Tarophagus colocasiae Delphacidae (HEM) Taro leafhopper
Tarophagus persephone Delphacidae (HEM) Taro leafhopper
Tarophagus proserpina (Kirk) Delphacidae (HEM) Taro leafhopper
Tiracola plagiata Walk Noctuidae (LEP) Cacao armyworm
Diseases:
Leaf spot Fungus Cercospora sp.
Blossom blight Fungus Choanephora cucurbitarum (Berk. & Rav.) Th.
Brown leaf spot Fungus Cladosporium colocasiae Sawada
Leaf spot Fungus Colletotrichum sp.
Mitimiti disease ? Hirschmanniella miticausa
Leaf spot Fungus Leptosphaerulina trifolii
Leaf spot Fungus Neojohnstonia colocasiae
Shot hole Fungus Phyllosticta colocassicola
Blight Fungus Phytophthora colocasiae Racib
Diffuse yellow leaf spot Fungus Scolecobasidium sp.
Leaf blight Fungus Thanatephorus cucumeri
Root rot Fungus Pythium spp.
Mosaic Virus Dasheen mosaic virus
Dwarfed wrinkled plants Viruses Alomae & Bobone viruses
Root rot Fungus Fusarium solani
and Periconia sp.
Root knot Nematode Meloidogyne sp.
With corm rot Fungus Botrydiplodia theobromae
And Chaetophoma sp
And Rhizoctonia sp.
and Athelia rolfsii
Corm and stem rot Bacteria Erwinia carotovora subsp. carotovora
Bacterial leaf blight Bacteria Xanthomonas campestris pv. aracearum
Pests:
Importance:
It has been a very important food plant in Papua New Guinea. In some areas it is still important
but in other areas it has declined because of insect and disease problems.