Selective biorational treatments for managing the storage mites, Tyrophagus putrescentiae (Schrank) and Aleuroglyphus ovatus (Troupeau) under laboratory conditions

Mites have lately emerged as economically important pests of stored products. Recently, addition of natural origin compounds individually or as a combination with predators have provided a considerable value for controlling these pests. In this study, the efficacy of the bacterium-derived pesticides, spinosad and spinetoram, and the combination of each of them with the predator Cheyletus malaccensis Oudemans was evaluated against two storage mite pests, Tyrophagus putrescentiae (Schrank) and Aleuroglyphus ovatus (Troupeau) under optimal abiotic conditions for pest development. After 21d, the terminal density was estimated for both astigmatid mite species exposed to diet (experiment I) treated with either spinosad or spinetoram (concentrations range of 0.01-2 ppm). Estimation was also done with diet (experiment II) treated with either spinosad or spinetoram (0.5 ppm) and/or the predator at initial predator/prey ratio (0.02). The density of predator was also determined after 21 days. Application of spinosyns significantly reduced population of T. putrescentiae and A. ovatus. The reduction potential increased with increasing concentration. Complete control of T. putrescentiae and A. ovatus was achieved by the application of spinosad at 1 and 2 ppm, respectively. As measured by rC50 and rC90 (concentration for 50% and 90% suppress of population in comparison to control), spinosad was more toxic to T. putrescentiae and A. ovatus than spinetoram. Furthermore, T. putrescentiae was more susceptible to spinosad than A. ovatus. Conversely, it was less susceptible to spinetoram than A. ovatus. The populations of both mite species were successfully suppressed by the sole application of C. malaccensis. Although the density of predatory mites was not affected by the presence of 0.5 ppm spinosad, it was almost eradicated by spinetoram at 0.5 ppm. A combination of spinosad at 0.5 ppm with two individuals of C. malaccensis mites (ratio 0.02) outperformed spinosad used alone at the same former concentration in reduction efficiency of the pest populations by 12% for T. putrescentiae and 25% for A. ovatus within 21 days.

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Immunoglobulin E Binding Reactivity of a Recombinant Allergen Homologous to α-Tubulin from Tyrophagus putrescentiae

Clinical and Diagnostic Laboratory Immunology ◽

10.1128/cdli.12.12.1451-1454.2005 ◽

2005 ◽

Vol 12 (12) ◽

pp. 1451-1454 ◽

Cited By ~ 5

Author(s):

Kyoung Yong Jeong ◽

Haeseok Lee ◽

Jae Sik Lee ◽

Jongweon Lee ◽

In-Yong Lee ◽

...

Keyword(s):

Amino Acid ◽

Rural Areas ◽

Urban Areas ◽

Immunoglobulin E ◽

Amino Acid Sequences ◽

Cloning And Expression ◽

Recombinant Allergen ◽

Tyrophagus Putrescentiae ◽

Storage Mites ◽

Storage Mite

ABSTRACT Storage mites may cause allergic respiratory diseases in urban areas as well as pose an occupational hazard in rural areas. Characterization of storage mite allergens is important for the development of diagnostic and therapeutic agents against mite-associated allergic disorders. Here we report on the cloning and expression of α-tubulin from the storage mite (Tyrophagus putrescentiae). The deduced amino acid sequence of the α-tubulin from the storage mite showed as much as 97.3% identity to the α-tubulin sequences from other organisms. The highly conserved amino acid sequences of α-tubulins across different species of mites may indicate that cross-reactivity for this potential allergen exists. The frequency of immunoglobulin E reactivity of this recombinant protein is 29.3% in sera from storage mite-allergic subjects.

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Storage Mite Infestation of Dry-Stored Food Products and Its Relation to Human Intestinal Acariasis in the City of Minia, Egypt

Journal of Medical Entomology ◽

10.1093/jme/tjz213 ◽

2019 ◽

Vol 57 (2) ◽

pp. 329-335

Author(s):

A K Ahmed ◽

A M Kamal ◽

N M E Mowafy ◽

E E Hassan

Keyword(s):

Personal Characteristics ◽

Food Products ◽

Mite Species ◽

Mite Infestation ◽

Pest Species ◽

Storage Mites ◽

Storage Mite ◽

Stool Samples ◽

The City ◽

Human Stool

Abstract Initial data on the prevalence of storage mites in dry-stored food products and estimates of the presence of mites in human stool in the city of Minia, Egypt are provided. In total, 847 samples were collected randomly from houses and retail stores between March 2017 and February 2018. In addition, 1,000 human stool samples were collected for the detection of the presence of mites. Mites were extracted from 285 of 840 (33.9%) samples, and mite contamination was found to be most prevalent in wheat flour (73.3%). In total, 11 mite species belonging to six families were identified, with the pest species Tyrophagus putrescentiae (Schrank) (Acari: Acaridae) (TP) being the most prevalent (91.2% of samples). The seasonal density distribution showed the highest storage mite density in March–April, followed by October, and the lowest in January. In addition, mites were detected in 87 (8.7%) human stool samples, with significant associations between certain occupations and some personal characteristics. Therefore, more attention needs to be paid to intestinal acariasis arising from mite infestation of dry-stored food products.

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Development of Cheyletus malaccensis (Acari: Cheyletidae) feeding on mite species found in commercial poultry systems: Megninia ginglymura (Acari: Analgidae) and Tyrophagus putrescentiae (Acari: Acaridae)

Systematic and Applied Acarology ◽

10.11158/saa.21.12.2 ◽

2016 ◽

Vol 21 (10) ◽

pp. 1604 ◽

Cited By ~ 2

Author(s):

Juliana Granich ◽

Tamara Bianca Horn ◽

Júlia Horn Körbes ◽

Maicon Toldi ◽

Guilherme Liberato Da Silva ◽

...

Keyword(s):

Egg Production ◽

Egg Quality ◽

Control Strategies ◽

Mite Species ◽

Reproductive Rate ◽

Tyrophagus Putrescentiae ◽

Net Reproductive Rate ◽

Rate Of Increase ◽

Commercial Poultry ◽

Cheyletus Malaccensis

Intensive egg production affects the welfare of confined laying hens, which increases the risk of epidemics. Ectoparasitic hematophagous mites and saprophagous feather mites cause low productivity and decreased egg quality. This study aimed to compare the biology of Cheyletus malaccensis (Oudemans) (Prostigmata: Cheyletidae) feeding on the prey Megninia ginglymura (Mégnin) (Astigmata: Analgidae) and Tyrophagus putrescentiae (Schrank) (Astigmata: Acaridae) in order to support the potential use of this predator in biological control strategies in the poultry industry. The study started with 30 eggs of C. malaccensis, isolated in experimental units, which developed into their different stages while feeding on the feather mite M. ginglymura and the stored product mite T. putrescentiae at 25±1ºC, 80±5% relative humidity and 12-hour photoperiod. Immature stages were evaluated three times a day and the adult stage once a day. Adult females were unmated. Cheyletus malaccensis feeding on M. ginglymura resulted in a higher fertility rate, with 310.7±45.8 eggs/female, than with T. putrescentiae as prey, with 32.7±4.5 eggs/female. Furthermore, the oviposition period was higher feeding on M. ginglymura, 53.0±6.3 days, than on T. putrescentiae, 12.6±1.9 days. The net reproductive rate (Ro), the innate capacity for increase (rm), the mean generation time (T) and the finite rate of increase (λ) were higher for the generation fed on M. ginglymura. Cheyletus malaccensis is a likely natural enemy of M. ginglymura, and it is able to develop and reproduce while feeding exclusively on it.

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Mites in dried figs of Turkey: diversity, species composition and density

Systematic and Applied Acarology ◽

10.11158/saa.24.6.4 ◽

2019 ◽

Vol 24 (6) ◽

pp. 992-997 ◽

Cited By ~ 2

Author(s):

Hulya Dizlek ◽

Mehmet Karagoz ◽

Farid Faraji ◽

Ibrahim Cakmak

Keyword(s):

Species Composition ◽

Mite Species ◽

Predatory Mite ◽

Infestation Rate ◽

Pest Species ◽

Tyrophagus Putrescentiae ◽

Acarus Siro ◽

Blattisocius Tarsalis ◽

Cheyletus Eruditus ◽

Over Time

This study was conducted to determine mite species in dried figs in Aydin, Turkey between August 2014 and November 2016. A total of 141 dried fig samples were taken from producers’ storage, commercial storages and fig processing factories in Buharkent, Germencik, Incirliova, Kocarli, Kosk, Kuyucak, Merkez, Nazilli, Sultanhisar and Yenipazar districts. In addition, 24 dried fig samples were kept in storage for 8 months and the changes in mite species composition and their densities in stored figs were determined. As a result, 8 mite species belonging to 3 orders and 5 families were identified from the dried figs. Acarus siro L., Carpoglyphus lactis (L.), Glycyphagus destructor (Schrank), G. domesticus (De Geer) and Tyrophagus putrescentiae (Schrank) as pest species, and Blattisocius tarsalis (Berlese), B. mali (Oudemans) and Cheyletus eruditus (Schrank) as predatory mite species were found. Out of 141 samples, 133 were infested with mites and the infestation ratio was 94.3%. Tyrophagus putrescentiae was the most common pest species with an infestation rate of 72.3%, followed by C. lactis with 34.8%, A. siro, G. destructor and G. domesticus with 0.7% contamination, respectively. Carpoglyphus lactis was found to have the highest density with 10,488 individuals/kg in contaminated fig samples. Blattisocius tarsalis was the most common predatory mite species with an infestation rate of 77.3%. Blattisocius mali and C. eruditus were found in 9.2% and 4.3% of dried figs, respectively. This study showed that the dried fig samples kept in storage were always vulnerable to contamination with mites. Mite species composition and their densities also fluctuated over time.

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Mite fauna associated with bird nests in Southern Brazil

Systematic and Applied Acarology ◽

10.11158/saa.23.3.2 ◽

2018 ◽

Vol 23 (3) ◽

pp. 426 ◽

Cited By ~ 2

Author(s):

Darliane Evangelho Silva ◽

Guilherme Liberato Da Silva ◽

Joseane Moreira Do Nascimento ◽

Noeli Juarez Ferla

Keyword(s):

Wild Bird ◽

Dermatophagoides Pteronyssinus ◽

Mite Species ◽

Southern Brazil ◽

Tyrophagus Putrescentiae ◽

Urban Zone ◽

Rural And Urban ◽

Rural Zone ◽

Veterinary Importance ◽

Ornithonyssus Bursa

Interactions between birds and mites have allowed mites to act as ectoparasites or to be associated with the micro-environments of nests. The aim of this study was to identify the mite fauna associated with wild bird nests in the rural and urban zones of different environments, and analyze the importance of birds as potential carriers of these organisms to households or poultry houses. In the rural zone, the following environments were assessed: Countryside (C), Forest (F), Aquatic (A), Orchards (O), and Residential (R), and in the urban zone, a similar division was used (C, O, R), with absence of environments (A) and (F). Apart from the Suborder Oribatida found in the 52 bird nests sampled in both zones, a total of 24,274 mites were collected and identified as 67 species in 34 families. There was a predominance of mites in the rural zone (90%), with higher richness in (C) of both zones and higher abundance in (R) and (A) of the rural zone and (O) of the urban zone. Mite species of medical-veterinary importance with the highest abundance were Ornithonyssus bursa in nests of Certhiaxis cinnamomeus and Columbina picui; Tyrophagus putrescentiae in nests of Columbina picui and Pitangus sulphuratus; and Dermatophagoides pteronyssinus in nests of Troglodytes musculus and Pitangus sulphuratus. This study showed that the wild bird nests are depositories of mites, including ectoparasites of medical-veterinary importance.

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The toxicity of bean flour (Phaseolus vulgaris) to stored-product mites (Acari: Acaridida)

Plant Protection Science ◽

10.17221/2770-pps ◽

2010 ◽

Vol 42 (No. 4) ◽

pp. 125-129 ◽

Cited By ~ 6

Author(s):

J. Hubert ◽

M. Němcová ◽

G. Aspaly ◽

V. Stejskal

Keyword(s):

Phaseolus Vulgaris ◽

Population Growth ◽

Initial Level ◽

Integrated Control ◽

Tyrophagus Putrescentiae ◽

Storage Mites ◽

Acarus Siro ◽

Stored Product Mites ◽

Stored Product Pests ◽

Bean Flour

Legume proteins were shown to have insecticidal activity against stored-product pests. Grain enriched by bean (Phaseolus vulgaris) flour inhibits the growth of stored-product mites. In this study, we tested the toxicity of bean flour to storage mites under optimal conditions for their population growth (i.e. rearing diet, temperature: 25C and humidity optimum: 85% RH). Bean flour was added  to the diet in one of eight concentrations: 0, 0.01, 0.1, 0.5, 1, 2.5, 5, 10%). The population growth of Tyrophagus putrescentiae, Acarus siro and Aleuroglyphus ovatus initiating from a density of 50 mites per 0.2 g of diet was recorded for 21 days. The enrichment of grain with bean flour suppressed the population growth of the tested species. These differed in their sensitivity to bean flour. Population growth was decreased to 50% in comparison to the control (rC50) by the bean flour concentration of 0.02% in T. putrescentiae, 0.04% in  A. siro, and by 4.87% in A. ovatus.  The concentration of 5% bean flour in diets kept populations of A. siro and T. putrescentiae at the initial level. The results are discussed in the context of applying bean flour in the integrated control of stored-product mites.

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Allergens from house dust and storage mites: similarities and differences, with emphasis on the storage mite Lepidoglyphus destructor

Clinical & Experimental Allergy ◽

10.1046/j.1365-2222.2000.00815.x ◽

2000 ◽

Vol 30 (7) ◽

pp. 912-919 ◽

Cited By ~ 26

Author(s):

Olsson ◽

Van Hage-Hamsten

Keyword(s):

House Dust ◽

Storage Mites ◽

Storage Mite ◽

Similarities And Differences ◽

And Storage

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Occurrence of the astigmatid mite Tyrophagus in estuarine benthic sediments

Journal of the Marine Biological Association of the United Kingdom ◽

10.1017/s0025315401004775 ◽

2001 ◽

Vol 81 (5) ◽

pp. 889-890 ◽

Cited By ~ 4

Author(s):

David J. Marshall ◽

Renzo Perissinotto ◽

Christian Nozais ◽

Carla-Jane Haines ◽

Şerban Procheş

Keyword(s):

Southern Africa ◽

Mite Species ◽

Estuarine Sediments ◽

Tyrophagus Putrescentiae ◽

Marine Systems ◽

Estuarine Systems ◽

Benthic Sediments ◽

Eastern Seaboard

The astigmatid mite species, Tyrophagus putrescentiae, was found to occur in meiobenthic collections from the Mdloti Estuary on the eastern seaboard of southern Africa. To examine whether these mites are actually components of estuarine systems or the result of contamination of collecting and laboratory materials, special sterilization procedures were incorporated into the collection protocol. Samples employing sterilization procedures still yielded Tyrophagus mites, providing evidence for their existence in the estuarine sediments. The origination of these mites in estuarine and fringe marine systems, in general, is discussed. These findings are significant in terms of the potential trophic importance of Tyrophagus mites.

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