Flatoides
Guérin-Méneville, 1844
Species Guides
1Flatoides is a of planthoppers in the Flatidae, Flatoidinae. Members of this genus are characterized by their flattened, often broad body shape typical of flatid planthoppers. The genus was established by Félix Édouard Guérin-Méneville in 1844. within Flatoides are distributed primarily in tropical and subtropical regions, particularly in the Old World tropics including parts of Africa, Asia, and associated islands. Like other flatids, they are sap-feeding insects that inhabit vegetation where they feed on plant phloem.
Pronunciation
How to pronounce Flatoides: //flæˈtoʊ.ɪˌdiːz//
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Identification
Flatoides can be distinguished from other flatid by their generally broad, flattened body form with the tegmina (forewings) often held in a characteristic tent-like or roof-like position over the body. The is typically broad and flattened, sometimes with distinctive facial processes or modifications. The wings are usually opaque or semi-opaque with reticulate venation. Specific identification to species level requires examination of male genitalia and detailed wing venation patterns. They differ from the related genus Flatoidinus by subtle differences in wing shape and body proportions, and from Colgar by generally less pronounced head processes.
Habitat
Tropical and subtropical forests, woodlands, and areas with dense vegetation. Found on various plants including trees and shrubs where they feed on phloem sap. Specific microhabitat preferences vary by but generally include the undersides of leaves and stems in shaded environments.
Distribution
Old World tropics and subtropics, including sub-Saharan Africa, Madagascar, South and Southeast Asia, and associated islands in the Indian and western Pacific Oceans. Records indicate presence in countries including India, Sri Lanka, various African nations, and parts of Southeast Asia.
Diet
Phloem sap feeding; extracts nutrients from vascular tissues of plants using .
Life Cycle
Hemimetabolous development with , nymph, and stages. Nymphs resemble smaller, wingless versions of adults and undergo multiple before reaching maturity. Detailed information specific to Flatoides is limited in published literature.
Behavior
and nymphs are generally sedentary, remaining on plants for extended periods. When disturbed, they may hop or fly short distances. Some may exhibit . Like other flatids, they produce waxy secretions that may serve protective functions.
Ecological Role
Primary consumers in , converting plant phloem sap into available to and . Serve as for parasitoid and prey for various . May contribute to nutrient cycling through honeydew production, which supports growth and provides food for ants and other insects.
Human Relevance
Generally of minor direct economic importance. Some may occasionally reach pest status on cultivated plants, though documented cases are limited. Of interest to entomologists studying planthopper and tropical insect biodiversity.
Similar Taxa
- FlatoidinusClosely related in the same ; Flatoides generally has a broader, more flattened body and less pronounced processes compared to Flatoidinus
- ColgarAnother flatoidinine ; Colgar often have more elaborate processes and different wing proportions than Flatoides
- FlatidaType of Flatidae; Flatida are often larger with more vivid coloration and distinct wing patterns compared to the generally more cryptic Flatoides
More Details
Taxonomic History
The Flatoides was established by Félix Édouard Guérin-Méneville in 1844. It has undergone various taxonomic revisions, with some transferred to or from related genera as flatid has been refined. The genus remains in need of comprehensive modern revision.
Research Needs
Basic , plant associations, and -level of Flatoides are poorly documented. Most species descriptions date from the 19th and early 20th centuries. Molecular phylogenetic studies including Flatoides are needed to clarify relationships within Flatoidinae.