Paranthrene tabaniformis

Paranthrene tabaniformis

Paranthrene tabaniformis

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Order: Lepidoptera

Family: Sesiidae

Scientific name: Paranthrene tabaniformis

Common name: parantrene

Affects: mainly Populus spp. (poplars), also to species of Salix, Betula and Alnus.

Diagnostic characters

State Size Features

Larva 15 mm They are whitish, and have three pairs of thoracic legs and false legs, as well as two hooks at the end of their body.

Adult 20-35 mm (wingspan) Its appearance resembles that of a wasp, with yellow and black abdomen, although it lacks the constriction at the beginning of the abdomen that these have. In addition, the wings are darker and fringed and the abdomen is pubescent.

Phenological cycle

The adults appear in the spring, they mate and the female performs the laying individually on the same bark of the tree. After the revival of eggs, the neonatal larvae feed a short period of time on the outside trunk and branches, then penetrate the interior of the tree digging food galleries. With the arrival of winter ceases its feeding, recovering the activity at the beginning of spring. Then pupa in the same gallery, previously has practiced an exit hole to the outside that plugs with sawdust. The adult appears in spring thus closing the cycle.

Annual generations

1

Symptoms / Damage

The caterpillars practice galleries in trunks and branches, observing remains of sawdust with which the caterpillar plugs the orifice. In the trunk normally the attacks are concentrated in the first 4 meters of height. The affected areas swell and the plant excretes sap through the holes. The galleries are ascending and up to 20 cm long and once the adult comes out the remains of the pupa are observed.

General weakening of the tree, lack of vigor and even the death of the specimen.

The branches can break easily, which is a serious problem in urban spaces.

Finally, these attacks favor the entry of fungi and bacteria.

PATA SE
Data sheet
Format
Septum
Duration
45 days / 6 weeks
Affects
Forest
Units
1u

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Paranthrene tabaniformis

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