scholarly journals Biology, Ecology, and Management of Erthesina fullo (Hemiptera: Pentatomidae): A Review

Insects ◽  
2020 ◽  
Vol 11 (6) ◽  
pp. 346 ◽  
Author(s):  
Qianqian Mi ◽  
Jinping Zhang ◽  
Elaine Gould ◽  
Juhong Chen ◽  
Zhitan Sun ◽  
...  
Keyword(s):  
Life History ◽  
Host Range ◽  
Insect Pests ◽  
Chinese Literature ◽  
Close Association ◽  
Surveillance Program ◽  
Stink Bug ◽  
Native Range ◽  
Dispersal Capacity ◽  
High Dispersal

The yellow spotted stink bug (YSSB), Erthesina fullo Thunberg, is one of the most widely distributed phytophagous insect pests in Asia. YSSB is highly polyphagous and in China it feeds on over 57 host plants in 29 families, including some economically important fruit crops such as kiwifruit, pear, peach, apple, and pomegranate. With a primarily r-selected life history strategy, reproductive diapause, aggregation behavior, wide host range, high dispersal capacity, and close association with human-modified ecosystems, YSSB is a potentially invasive species that poses significant biosecurity threats to other countries outside its native range. This review summarizes basic and applied knowledge on the biology, ecology, and management of YSSB in China, with specific emphasis on its life history, host range, damage and impacts on economically important horticulture crops, and integrated pest management (IPM) approaches. The insights from the Chinese literature on this pest will help the countries outside its native range to conduct appropriate biosecurity risk assessments, develop a sound surveillance program, and develop an emergency response plan before its invasion of new geographic areas.

scholarly journals Anredera vesicaria (Texas madeira vine).

2020 ◽  
Author(s):  
Jeanine Vélez-Gavilán
Keyword(s):  
Invasive Species ◽  
South America ◽  
Invasive Plant ◽  
The Philippines ◽  
Native Range ◽  
Dispersal Capacity ◽  
Caribbean Islands ◽  
High Dispersal ◽  
The Usa ◽  
Northern South America

Abstract Anredera vesicaria is a herbaceous vine native from the south of the USA to northern South America. It is cultivated as an ornamental for its fragrant flowers, and has been introduced in the Philippines and some Caribbean islands. It is not recorded as invasive in any country but is regarded as a potential invasive species in Cuba as it has become naturalized outside its native range, has a tendency to proliferate and has a high dispersal capacity. Although A. vesicaria appears in EDDMapS for USA, it is not included as an invasive but rather for "comparison reasons" without further details given. It is also reported in the Invasive Plant Atlas, but without any information. The species is not included in the latest FLEPPC Invasive Plant List Species.

scholarly journals Significant effects of Pgi genotype and body reserves on lifespan in the Glanville fritillary butterfly

2009 ◽  
Vol 276 (1660) ◽  
pp. 1313-1322 ◽  
Author(s):  
Marjo Saastamoinen ◽  
Suvi Ikonen ◽  
Ilkka Hanski
Keyword(s):  
Life History ◽  
Natural Populations ◽  
Melitaea Cinxia ◽  
Dispersal Capacity ◽  
Body Reserves ◽  
High Dispersal ◽  
Trade Offs ◽  
Glanville Fritillary Butterfly ◽  
Male Life History ◽  
Striking Effect

Individuals with a particular variant of the gene phosphoglucose isomerase ( Pgi ) have been shown to have superior dispersal capacity and fecundity in the Glanville fritillary butterfly ( Melitaea cinxia ), raising questions about the mechanisms that maintain polymorphism in this gene in the field. Here, we investigate how variation in the Pgi genotype affects female and male life history under controlled conditions. The most striking effect is the longer lifespan of genotypes with high dispersal capacity, especially in non-reproducing females. Butterflies use body reserves for somatic maintenance and reproduction, but different resources (in thorax versus abdomen) are used under dissimilar conditions, with some interactions with the Pgi genotype. These results indicate life-history trade-offs that involve resource allocation and genotype×environment interactions, and these trade-offs are likely to contribute to the maintenance of Pgi polymorphism in the natural populations.

scholarly journals Dispersal and spatiotemporal distribution of Protapion fulvipes in white clover fields: implications for pest management

2021 ◽  
Author(s):  
Veronica Hederström ◽  
Franklin N. Nyabuga ◽  
Olle Anderbrant ◽  
Glenn P. Svensson ◽  
Maj Rundlöf ◽  
...  
Keyword(s):  
Pest Management ◽  
White Clover ◽  
Insect Pests ◽  
Animal Feed ◽  
Main Tool ◽  
Management Tool ◽  
Pest Species ◽  
Economic Injury Level ◽  
Dispersal Capacity ◽  
Clover Seed

AbstractYield loss caused by insect pests remains a substantial problem in agriculture. Chemical control, with potential negative effects on non-target organisms, is still the main tool for pest management. For pest species with limited dispersal capacity, rotation of the crop in time and space has potential as an alternative management measure. This is particularly important in organic farming, where most agrochemicals are prohibited, but also relevant as a complementary pest management strategy in conventional agriculture. Clover is an important crop used for animal feed and as green manure; however, seed-eating weevils can severely limit the seed yield. We hypothesized that the previous year’s clover seed fields constitute the major sources of weevil pests. Consequently, a greater distance to, and a smaller pest load from, this source should reduce the number of weevils colonizing the new seed fields. To map population dynamics and dispersal range of Protapion fulvipes, an economically important seed weevil specialized on white clover, we conducted field studies over four years in 45 white clover seed fields. We found that P. fulvipes overwinters close to its source field and disperses to new fields in early spring the following year. Pest abundance increased with pest load in the previous year’s seed field, but decreased by 68% per km distance to the previous year’s field. Thus, separation of seed production fields between years by 2–3 km would create a spatiotemporal pest management tool to reduce the pest infestation below the estimated economic injury level.

Contributions to the Life History, Host Range, and Distribution of Necremnus tidius (Hymenoptera: Eulophidae)

2007 ◽  
Vol 100 (6) ◽  
pp. 861-868 ◽  
Author(s):  
L. M. Dosdall ◽  
G.A.P. Gibson ◽  
O. Olfert ◽  
B. A. Keddie ◽  
B. J. Ulmer
Keyword(s):  
Life History ◽  
Host Range

Host Range and Distribution of Predatory Stink Bug Andrallus Spinidens (F.) in Uttarakhand

2021 ◽  
Vol 83 (3) ◽  
pp. 380-384
Author(s):  
Bhojendra ◽  
Ravi Prakash Maurya ◽  
Latika Brijwal ◽  
Himanshu Patwal ◽  
Parul Suyal
Keyword(s):  
Host Range ◽  
Stink Bug ◽  
Andrallus Spinidens

scholarly journals Stable ringed seal (Pusa hispida) demography despite significant habitat change in Svalbard, Norway

2021 ◽  
Vol 40 ◽  
Author(s):  
Magnus Andersen ◽  
Kit M. Kovacs ◽  
Christian Lydersen
Keyword(s):  
Life History ◽  
Sea Ice ◽  
Close Association ◽  
Ringed Seal ◽  
Breeding Habitat ◽  
Small Scale ◽  
Recent Period ◽  
Ringed Seals ◽  
Time Periods ◽  
Circumpolar Arctic

Ringed seals, which are small phocid seals, range across the circumpolar Arctic, and have evolved in close association with sea ice and depend on it for all aspects of their life history. This research study compares age structure, reproductive parameters, body size and condition during three time periods—1981–82 (n = 277), 2002–04 (n = 272) and 2012–18 (n = 212)—to study potential changes in demography in ringed seals in western Svalbard, Norway, an area that has undergone dramatic changes in sea-ice conditions during recent decades. Age distributions for the three time periods were similar, with the exception that the most recent period had a higher proportion of young animals. Age at sexual maturity for both sexes was similar for the two most recent periods, both being lower than in the 1980s. Ovulation rates did not vary significantly among the three periods (range 0.86–0.94). Pregnancy rates were only available for the most recent study period (0.71); this value falls within the range reported from other Arctic regions. Body length showed no clear temporal patterns; males were slightly longer in the most recent period, while females were slightly longer in the first period. Data from May in all periods suggest that body condition has not varied significantly through time. In conclusion, although the ringed seal breeding habitat in Svalbard has declined significantly in recent decades, demographic parameters appear to be largely unaffected. Life-history plasticity in combination with a small-scale regional variation in environmental conditions might explain the lack of changes in demography over time.

Notes on Life-History and Parasites of Syngrapha epigaea (Grt.) (Lepidoptera: Noctuidae)

1960 ◽  
Vol 92 (10) ◽  
pp. 759-761
Author(s):  
G. W. Wood ◽  
W. T. A. Neilson
Keyword(s):  
Life History ◽  
Insect Pests ◽  
Common Species ◽  
Eastern Canada ◽  
Lepidoptera Noctuidae

It is perhaps because of their unimportance as insect pests that larvae of the genus Syngrapha have been so little studied. Syngrapha epigaea is no exception to this; but since it is one of the most common species of larvae found in commercial blueberry fields of eastern Canada, the following notes on its life-history and parasitism are here recorded.

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