Promecotheca is a genus of Asian leaf beetles, typical of the tribe Promecothecini in the subfamily Cassidinae; it was erected by Émile Blanchard in 1853.Blanchard E (1853) Zoologie. Description des insectes. Gide et J. Baudry, Paris. Vol. 4: 1-422.
Species are especially well represented in New Guinea and the Pacific islands; some are minor coconut pests including: Promecotheca cumingii, P. papuana ("coconut leaf miners") and P. opacicollis: the New Hebrides coconut hispid.CABI Digital library: Promecotheca cumingii (coconut leafminer) (retrieved 28 August 2025)
Species The Global Biodiversity Information FacilityGlobal Biodiversity Information Facility: Genus Promecotheca Blanchard, 1853 (retrieved 28 August 2025) includes:
Promecotheca alpiniae Promecotheca apicalis Promecotheca bicolor Promecotheca bryantiae Promecotheca caeruleipennis Promecotheca callosa Promecotheca collinsi Promecotheca cumingii Promecotheca cyanipes Promecotheca freycinetiae Promecotheca guadala Promecotheca kolombangara Promecotheca leveri Promecotheca nuciferae Promecotheca octostriata Promecotheca oenoptera Promecotheca opacicollis Promecotheca palmella Promecotheca palmivora Promecotheca pandani Promecotheca papuana Promecotheca petelii Promecotheca ptychospermae Promecotheca pubescens Promecotheca pulchella Promecotheca sacchari Promecotheca salomonina Promecotheca similis Promecotheca soror Promecotheca straminipennis Promecotheca superba Promecotheca varipes Promecotheca violacea
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