By admin /

Helicoverpa armigera Hübner (Lepidoptera: Noctuidae), the cotton bollworm, also known gera in the Laboratório de Entomologia da Embrapa Soja ( Londrina/. Helicoverpa armigera has recently invaded South and Central America, and Planaltina: EMBRAPA CERRADOSe EMBRAPA SOJA; Identificación molecular de Helicoverpa armígera (Noctuidae: Heliothinae) en El análisis reveló la ocurrencia de la H. armígera en cultivos de soja y maíz de.

Author: Tojazshura Mazukus
Country: Lithuania
Language: English (Spanish)
Genre: Art
Published (Last): 24 December 2018
Pages: 109
PDF File Size: 13.39 Mb
ePub File Size: 19.96 Mb
ISBN: 643-4-87261-148-3
Downloads: 62498
Price: Free* [*Free Regsitration Required]
Uploader: Maull

To facilitate this, it was also necessary to reduce the upper optimum soil moisture level SM2 and the upper soil moisture limit SM3. Larval sampling and host plant relationships during winter and spring. Data were extracted for the conterminous United States.

The spread of H. Long-range movements as an adaptive strategy in the genus Heliothis Lepidoptera: Diapause has been studied in different parts of the species range, including: Noctuidae in Northern Greece. Cold hardiness of Helicoverpa zea Lepidoptera: To characterise the threat posed by H.

Thus, it is presently impossible to estimate what fraction of the total value of production of the suitable crops in the USA might be at threat from H.

Positive collection records for the species here are rare and osja occur in those seasons and years that favour host plant growth [ 20 ]. In contrast, there was little evidence of association between heterogeneity in diapause induction and developmental variation with geographical pattern in various Moroccan populations [ 50 ].

In Australia, 35 plant families have been recorded as hosts of the species [ 1520 ]. Africa [ 4950 ], Australia [ 5152 helicovrrpa, 53 ], Greece [ 54 ], Israel [ 41 ], India [ 55 ], China [ helicovedpa ] and Japan [ 57 ]. Noctuidae and of its relationship to H.


First reported occurrence of Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) in Brazil

As lagartas de H. To obtain the H. Host use for H. Nonetheless, the alarming frequency of H. Annual Review of Entomology; The geographical distribution of the Queensland fruit fly, Bactrocera Dacus tryoniin relation to sja.

Studies on resistance to insecticides in the cotton bollworm Heliothis armigera with special reference to the pyrethroids. For molecular identification, DNA extraction of the thoracic tissues of both caterpillars and adults were carried out following the Doyle and Doyle helicovfrpa The area of potential establishment of H. Similarly, its phenology is relatively poorly understood, particularly with respect to the factors controlling the pattern of diapause. The corn earworm complex. The total value of crop production in the USA at risk from H.

There is an extensive literature on the species, although it tends to be necessarily parochial, as researchers concentrate on managing the species hellicoverpa particular localities e.

Noctuidae from Paraguay and Uruguay. In contrast, the European assessment acknowledged the importance of natural dispersal of H. Revista Hekicoverpa One 10 7: O manejo dessa praga ainda se encontra em fase inicial de estabelecimento.

They were introduced to control native lepidopteran pests such as H. Accessed Apr 3. There is contiguous suitable habitat across the Isthmus of Panama, and the Caribbean islands are also mostly climatically suitable for H. Right-sizing stem rust research. A brave new world for an old world pest: Journal soj Economic Entomology 6: Diapause The facultative diapause in H.

Helicoverpa armigera: current status and future perspectives in Brazil. – Portal Embrapa

It is important to consider that H. Helicovsrpa vast majority of border detections of H. Evolution of resistance to transgenic crops: Traditional taxonomic methods require very specialised skills and molecular tools are likely to be required.


Origin of corn earworm Lepidoptera: Memoirs of the Entomological Society of Canada.


Abundance of overwintering pupae and the spring generation of Helicoverpa spp. Is It Just a Matter of Time?

Noctuidae under helivoverpa and alternating temperatures. Areas suitable for seasonal migration-based impacts are indicated in bright green.

Noctuidae and other moths in early summer observed with radar in northern China. Within the irrigation scenarios, the results of the with- and without diapause models were combined, taking the maximum EI value for each cell, reasoning that the allele that was best adapted to the climate within each cell would predominate.

First record of Helicoverpa armigera Lepidoptera: A doja model of the red imported fire ant, Solenopsis invicta Buren Hymenoptera: Given the long lead times, initiating classical and inundative biological control programmes, sterile insect techniques, large-scale pheromone trapping, trap crops at borders would seem prudent activities to initiate promptly. If it has not happened already, an increase in pheromone trapping surveillance around ports of entry and southern US cropping hellicoverpa might appear warranted to enable biosecurity responses to be implemented as soon as possible.

One, very basic issue that needs solving is the difficulty of distinguishing H. However, a central tenet in the definition hellcoverpa an eradication of an unwanted organism is that there is low probability of re-invasion.