Diaspididae of the World 2.0
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Diaspididae of the World 2.0
Key: Step 1

Ducts on both surfaces small and slender, of similar size, in no fixed arrangement. Pygidial plates absent; gland spines absent (or at apex of pygidium FROPEA.jpg ). Paired lobes absent, although marginal thickening may give the impression of a single median lobe. Intersegmental folds on abdomen thickened and sclerotized. Usually on Gramineae Odonaspidini

Step 2. Odonaspidini

Dorsal ducts usually larger and more numerous than those on venter, often arranged in segmental series. Pygidium usually with paired lobes, and plates or gland spines, in adult and/or second instar. Median lobes rarely fused. Intersegmental folds on abdomen not thickened. Hosts various, including Gramineae

Step 5. Aspidiotini
Decision path