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Encyclop'APHID

Tuberculatus

Subfamily : Myzocallidinae

The genus Tuberculatus, dependent on oaks, is characterized by the presence of one or more pairs of tubercles on abdomen.

The species of this genus are also characterized by short to very short cornicles, straight, light or pigmented. The alates show a knobbed cauda and a bilobed anal patch awhereas the larvae and nymphs bear a rounded  cauda and a complete anal patch. The larvae and nymphs also carry capitate hairs onabdomen.

All the viviparous females and the males are alate.

The genus is divided into subgenera, the difference being found in the abdomen.

  • Tuberculatus (Tuberculatus): abdomen with two tubercles fused and covered with wax
  • Tuberculatus (Tuberculoides): abdomen with pairs of tubercles on several segments and not covered with wax