scholarly journals First Report on Megaselia scalaris Loew (Diptera: Phoridae) Infestation of the Invasive Pest Spodoptera frugiperda Smith (Lepidoptera: Noctuidae) in China

Insects ◽  
2021 ◽  
Vol 12 (1) ◽  
pp. 65
Author(s):  
Yunlin Tang ◽  
Qingyan Li ◽  
Li Xiang ◽  
Ruocheng Gu ◽  
Yanyan Wu ◽  
...  
Keyword(s):  
Spodoptera Frugiperda ◽  
Crop Damage ◽  
Invasive Pest ◽  
First Report ◽  
Chongqing Municipality ◽  
Molecular Approaches ◽  
Megaselia Scalaris ◽  
New Ideas ◽  
Indigenous Natural Enemies ◽  
Lepidoptera Noctuidae

The invasive pest Spodoptera frugiperda first emerged in China in January 2019 and has, to date, migrated to 29 provinces and municipalities in China, causing heavy crop damage in large areas. As a response to this invasive species from the environment, some indigenous natural enemies have been discovered and reported after S. frugiperda invasion. In this paper, parasitic flies were collected and identified from S. frugiperda collected in the Yunnan, Guangxi, and Henan provinces and the Chongqing municipality in China. By using both conventional and molecular approaches, we were able to show that all the parasitic flies of S. frugiperda identified in the four regions were Megaselia. scalaris, and that they attacked the pest larvae and pupae. This is the first report on an indigenous Chinese Megaselia species that has parasitic ability against the invasive pest S. frugiperda, potentially providing new ideas for pest control in China.

Coccygidium transcaspicum (Kokujev) (Hymenoptera: Braconidae) parasitizing larvae of invasive pest Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae) in India

Zootaxa ◽  
2020 ◽  
Vol 4750 (2) ◽  
pp. 293-297 ◽  
Author(s):  
ANKITA GUPTA ◽  
P. LAKSHMI SOUJANYA ◽  
CORNELIS VAN ACHTERBERG ◽  
J.C. SEKHAR
Keyword(s):  
Spodoptera Frugiperda ◽  
South India ◽  
Fall Armyworm ◽  
Invasive Pest ◽  
Morphological Identification ◽  
First Report ◽  
Oriental Region ◽  
Lepidoptera Noctuidae

The parasitoid Coccygidium transcaspicum (Kokujev) (Hymenoptera: Braconidae: Agathidinae) was reared from fall armyworm or Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae) in maize fields in South India (Telangana) during 2019. It is the first report of a host for C. transcaspicum and the first report of C. transcaspicum as a parasitoid of S. frugiperda across the globe. The present study contains the first report from India and the Oriental region, provides morphological identification details of C. transcaspicum and comparison notes from its closely allied species C. melleum (Roman) which is basically an Afrotropical species. 

scholarly journals Impact of an Exotic Invasive Pest, Spodoptera frugiperda (Lepidoptera: Noctuidae), on Resident Communities of Pest and Natural Enemies in Maize Fields in Kenya

Agronomy ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 1074
Author(s):  
Bonoukpoè Mawuko Sokame ◽  
Boaz Musyoka ◽  
Julius Obonyo ◽  
François Rebaudo ◽  
Elfatih M. Abdel-Rahman ◽  
...  
Keyword(s):  
Natural Enemies ◽  
Spodoptera Frugiperda ◽  
Fall Armyworm ◽  
Invasive Pest ◽  
Growth Stages ◽  
Insect Communities ◽  
Exotic Invasive Species ◽  
Before And After ◽  
Exotic Invasive ◽  
Lepidoptera Noctuidae

The interactions among insect communities influence the composition of pest complexes that attack crops and, in parallel, their natural enemies, which regulate their abundance. The lepidopteran stemborers have been the major maize pests in Kenya. Their population has been regulated by natural enemies, mostly parasitoids, some of which have been used for biological control. It is not known how a new exotic invasive species, such as the fall armyworm (FAW), Spodoptera frugiperda (Lepidoptera, Noctuidae), may affect the abundance and parasitism of the resident stemborers. For this reason, pest and parasitism surveys have been conducted, before and after the FAW invaded Kenya, in maize fields in 40 localities across 6 agroecological zones (AEZs) during the maize-growing season, as well as at 3 different plant growth stages (pre-tasseling, reproductive, and senescence stages) in 2 elevations at mid-altitude, where all maize stemborer species used to occur together. Results indicated that the introduction of the FAW significantly correlated with the reduction of the abundance of the resident communities of maize stemborers and parasitoids in maize fields; moreover, the decrease of stemborer density after the arrival of FAW occurred mostly at both reproductive and senescent maize stages. It also suggests a possible displacement of stemborers by FAW elsewhere; for example, to other cereals. However, since this study was conducted only three years after the introduction of the FAW, further studies will need to be conducted to confirm such displacements.

scholarly journals First record of a parasitoid, Megaselia (M) scalaris (Diptera: Phoridae) of fall armyworm, Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae) from India

2021 ◽  
Vol 31 (1) ◽  
Author(s):  
Sharanabasappa S. Deshmukh ◽  
S. Kiran ◽  
Atanu Naskar ◽  
Palam Pradeep ◽  
C. M. Kalleshwaraswamy ◽  
...  
Keyword(s):  
Outer Surface ◽  
Spodoptera Frugiperda ◽  
Fall Armyworm ◽  
First Record ◽  
Instar Larva ◽  
Major Threat ◽  
Megaselia Scalaris ◽  
Maize Cultivation ◽  
First Time ◽  
Lepidoptera Noctuidae

AbstractThe fall armyworm (FAW), Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae), has become a major threat in maize cultivation since its invasion to India in 2018. The humpbacked fly, Megaselia scalaris (Loew) (Diptera: Phoridae), was recorded as a laboratory parasitoid of FAW, for the first time in India. Initially, 30–40 maggots of M. (M) scalaris emerged out from the dead pre-pupa and pupa of laboratory-reared FAW. The fly laid up to 15 eggs on the outer surface of 6th instar larva or pre-pupa of the FAW. The incubation period was 1–2 days. The fly had 3 larval instars which lasted 3–4 days and a pupal period of 10–11 days. The adults survived for 6–7 days.

scholarly journals First report of Spodoptera frugiperda (Lepidoptera: Noctuidae) on Onion (Allium cepa L.) in South Kivu, Eastern DR Congo

2021 ◽  
Vol 65 (1) ◽  
Author(s):  
Marcellin Cuma Cokola ◽  
Serge Shakanye Ndjadi ◽  
Espoir Basengere Bisimwa ◽  
Leonard E. Ahoton ◽  
Frédéric Francis
Keyword(s):  
Allium Cepa ◽  
Spodoptera Frugiperda ◽  
Dr Congo ◽  
First Report ◽  
Allium Cepa L ◽  
South Kivu ◽  
Lepidoptera Noctuidae

scholarly journals Effects and correlation analysis of different host-plant components on physiological indexes in Spodoptera frugiperda

2021 ◽  
Author(s):  
Min Fang ◽  
Sihan Lu ◽  
Ling Yao ◽  
Renwen Zheng ◽  
Jianhua Huang ◽  
...  
Keyword(s):  
Spodoptera Frugiperda ◽  
Host Plants ◽  
Invasive Pest ◽  
Total Phenol Content ◽  
Digitaria Sanguinalis ◽  
N Content ◽  
Eleusine Indica ◽  
Physiological Indexes ◽  
The Relationship ◽  
Lepidoptera Noctuidae

Spodoptera frugiperda (Lepidoptera: Noctuidae) is an invasive pest that ravaging crops in many provinces of China. In order to specifically control this invasive pest, understanding of the relationship between the insect and the host is necessary. In this study, we have compared the biological and nutritional indexes of S. frugiperda by feeding it with five different host-plants (Zea mays, Triticum aestivum, Digitaria sanguinalis, Glycine max and Eleusine indica). The biological and nutritional indexes of Z. mays feeding S. frugiperda were the best. However, the pupa weight and fecundity of S. frugiperda fed with G. max and E. indica were significantly lower than those fed with other hosts, efficiency of conversion of digested food (ECD) and efficiency of conversion of ingested food (ECI) were also lower than others. The total phenol content was negatively correlated with the biological and nutritional indexes of S. frugiperda, while the C/N content was positively correlated. When fed on different host plants, the biological and nutritional indexes of S. frugiperda were different, but all of them could complete the life cycle. Therefore, in the absence of Z. mays, the S. frugiperda may also harm other host plants, and host plants with high C/N content can also with the risk of being infected.

scholarly journals Biorational management of maize fall armyworm, Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae) using Bacillus thuringiensis (Berliner) enriched with chemical additives

2021 ◽  
Vol 13 (4) ◽  
pp. 1231-1237
Author(s):  
M. Priyanka ◽  
P. Yasodha ◽  
C.Gailce Leo Justin ◽  
J. Ejilane ◽  
Venugopal Rajanbabu
Keyword(s):  
Bacillus Thuringiensis ◽  
Boric Acid ◽  
Sodium Nitrate ◽  
Spodoptera Frugiperda ◽  
Seedling Emergence ◽  
Fall Armyworm ◽  
Invasive Pest ◽  
Chemical Additives ◽  
Stage Of Development ◽  
Lepidoptera Noctuidae

An invasive pest, fall armyworm, Spodoptera frugiperda (J.E.Smith) (Lepidoptera: Noctuidae) attacks maize at every stage of development, from seedling emergence up to cob formation. Early instar larvae were seen mostly on leaves of maize with characteristics pin or shot hole symptoms. Later instar larvae were confined to deep whorls, leaving typically ragged like appearance and fed on the reproductive stage of the crop especially tassels and developing cobs resulting in quality and quantity loss of maize produce. The effect of commercially available Bacillus thuringiensis subsp. kurstaki product, Dipel® against the second instar larvae of Fall Armyworm (FAW )was not promising under laboratory conditions. Hence, an effort was made to add an adjuvant along with B. thuringiensis to increase the virulence of commercially available B. thuringiensis.The Laboratory bioassays with B. thuringiensis and seven chemical additives ( T1- Bt + Boric acid, T2- Bt + Zinc oxide, T3- Bt + Sodium nitrate, T4- Bt + Peptone, T5- Bt + Urea, T6- Bt + EDTA, T7- Bt + Citric acid & T8-  Bt alone T9- Control) were tested against second instar larvae of Spodoptera frugiperda larvae. The results showed that B. thuringiensis plus sodium nitrate (T3) promoted maximum mortality 82.2 per cent with a minimum LC50 value of 54.620 mg/l. Sodium nitrate boosted B. thuringiensis activity at a concentration of 0.05 per cent by 2.128-fold than B. thuringiensis alone. Overall, sodium nitrate improved the efficacy of B. thuringiensis spray at the maximum level followed by boric acid, urea, EDTA and peptone.

scholarly journals SPODOPTERA FRUGIPERDA (LEPIDOPTERA: NOCTUIDAE), AN INVASIVE PEST IN AGRICULTURAL CROPS AND ITS MANAGEMENT

2020 ◽  
Vol 4 (3) ◽  
pp. 149-153
Author(s):  
Ahmad Hassan Tahir ◽  
Muhammad Tariq ◽  
Aqsa Mazhar ◽  
Muhammad Shehzad
Keyword(s):  
Host Range ◽  
Spodoptera Frugiperda ◽  
Central Africa ◽  
Fall Armyworm ◽  
Cultural Control ◽  
Invasive Pest ◽  
Tropical Regions ◽  
Favorable Conditions ◽  
First Time ◽  
Lepidoptera Noctuidae

Spodoptera frugiperda (Lepidoptera: Noctuidae) commonly known as fall armyworm (FAW), is a pest that invaded the sub-tropical and tropical regions of America. In 2016, it was reported for the first time in central Africa and within a year it was reported from many countries of Africa. It then spread in Asia and in 2018 it was reported in India, and now its infestation was seen in Pakistan. Its strong flight, climatic adaptableness and large host range makes it a good colonizing agent as compared to other species of Spodoptera. In potential managing strategies we must know about its primary information such as its biology, host range, habitat and favorable conditions. Identification and life cycle is the most important process in the management of this pest. IPM strategies include physical and cultural control, botanical control, biological control and chemical control. These strategies will help in management of FAW. All these aspects have been reviewed in this article.

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