Agricultural entomology: Cicadella bufalo - Cicalina Bufalo

Agricultural entomology: Cicadella bufalo - Cicalina Bufalo

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Classification and host plants

Class: Insects
Order: Rincoti
Suborder: Homoptera
Family: Membracids
Genus: Stictocephala
Species: S. bisonia Kopp and Yonke

Bibliographic reference:
Phytopathology, agricultural entomology and applied biology” – M.Ferrari, E.Marcon, A.Menta; School edagricole - RCS Libri spa

Host plants: Vine, apple tree, pear tree and other fruit trees.

Identification and damage

The Cicadella bufalo is an insect of origin widespread in Italy especially in the northern regions; the common name derives from the singular shape of the body and chest of the adults, whose pronotum is detected and triangular in shape with the basal part expanded towards the head (the two apexes seem to be horns) so as to make it resemble a buffalo.
Adults, whose dimensions are approximately 8-9 mm, have a greenish-ocher color.
The damage, in the vine, is determined by the bites of nutrition generally made on the herbaceous twigs; these punctures are performed all around, in a ring, causing a characteristic strangulation of the shoots which, sometimes, due to the reaction of the tissues that typically swell, becomes a hypertrophic enlargement. In these cases, especially in the vine, in the distal part of the twig, the leaves undergo marked chromatic alterations (yellow-reddish) and crumpling of the margins downwards.
Furthermore, the damage can also be caused during the oviposition phase; in fact, the Cicadella (equipped with a robust morphological ovipositor), by placing the eggs in the young fruiting branches, inside the cortical layer, causes the formation of small cancers on the branches, or causes deformations that hinder the normal performance of the physiological functions. These damages, which occur more frequently on fruit trees, can become the site of fungal pathogens, agents of cancers and caries.

Biological cycle

Linsetto overwinters in the egg stage, inside the cortical tissues of the twigs; in the spring, the juvenile stages evolve by feeding on herbaceous plants, especially fodder legumes, and complete their development in mid-summer. Subsequently the adults (approximately in the month of July) go to the vine and the fruit trees, on which they mate and oviposition. The Cicadella buffalo performs only one generation per year.

Buffalo cicadella - Stictocephala bisonia Kopp and Yonke (photo Sebastien Bedani)

Buffalo cicadella - Stictocephala bisonia Kopp and Yonke (photo Sebastien Bedani)


The fight against this insect makes use of agronomic practices, such as the elimination of twigs with oviposition, and trying to avoid Leguminosae in under-foliage turfgrasses and in the vicinity of orchards, because the juvenile stages evolve against them. The chemical struggle is almost never justified, for the relative damage done on the plants. The buffalo Cicadella is controlled by a natural enemy: the Polynema striaticorne. This insect is a Hymenoptera Mimaride, parasitoid oophagus; it is possible to introduce it in the orchards, practicing inoculative biological control, using the sprigs with parasitized eggs.

Video: Introduction of Entomology कट वजञन क परचय for AFO, SO, JRF, Pre-PG, NABARD, FCI, BHU (August 2022).