Entomology - Science topic

asalam ealaykum:Are you purpose as hoppy collector, you mainly collect butterflies ,or other ornamental insects. But if your aim Scientific collection:that depnding on taxa level: if for all insect orders, prepar boxes or other container for each order; if for families for any order you do as above....good luck with best wishes

To avoid repeated counting of individuals during an Odonate Transect Survey you can follow these strategies:Establish Clear Survey Routes: Define specific routes or areas for your survey. Clearly mark the boundaries and ensure surveyors know where to start and finish, reducing the chances of double-counting.Use Marking Techniques: If possible, mark the individuals you have counted without harming them. For example, you can use non-toxic, temporary markers like colored dots on wings. This way, you can identify previously counted individuals and avoid counting them again.Time Gaps Between Surveys: If conducting multiple surveys in the same area, introduce time gaps between surveys. Odonates are highly mobile, so waiting for a while can allow them to disperse, reducing the likelihood of recounting the same individuals.Record Environmental Conditions: Note down environmental factors such as temperature, humidity, and wind speed. These conditions can affect odonate behavior. If conditions change significantly between surveys, it's less likely that the same individuals will be present.Train Surveyors: Properly train surveyors to recognize odonate species and avoid counting the same individuals multiple times. Training can enhance the accuracy of the survey results.Use Standardized Survey Methods: Adhere to standardized survey protocols and guidelines. Following established methods ensures consistency and helps in minimizing errors related to repeated counting.Employ Technology: Consider using technology like photography or video recording to capture the odonates during the survey. Later, you can review the recordings to confirm identifications and avoid double-counting.

How can we sustainably manage and protect insect biodiversity and ecosystems in the face of environmental changes and human activities?

The Schistosomal life cycle involves a complex interplay between humans and freshwater snails, and public health. While these snails are not insects, they play a vital role in the transmission of schistosomiasis, and their study is important in understanding and controlling the disease. In this context, public health entomologists may extend their expertise to include snail biology and ecology due to their relevance in the life cycle of the parasites causing schistosomiasis.

Innocent Zran Tia Do you belong to a French university?

Public health entomology focuses on the population biology of vector-borne infections, seeking to understand how such pathogens perpetuate over time and attempting to devise methods for reducing the burden that they impose on human health.

What do you mean by "not typical places"? I have seen B. pennsylvanicus in central PA

Your library should be able to help you. That's the normal way.

Having tested a lot of essential oils for this specific purpose, I can ensure you that different essential oils give very different results. There is also a possibility that fumigation doesn't kill the adults but stops the developements of the eggs inside the grains.

Way of applying the product (fumigation, direct spraying...) also gives different results, so there is no easy direct answer to your question

Dear Dr.Nicolò M. Villa,

you can search about the ability of Black solider fly to digest such substrate "phytic acid" which plants enriched with such acid, as I know Black solider fly larvae their gut microbiome has the ability to digest such substrate.

Csaba Bozo I used scopus and web of science. I don't use google scholar and I've no reason to think that it would provide better research results

The cubital index is a measure of the relative length of the cubital vein, which is a vein located in the forewing of a honeybee. The cubital index is calculated by dividing the length of the cubital vein by the length of the wing and expressing the result as a percentage.

The cubital index is used as a morphological character in the identification and classification of honeybee subspecies and populations. It has been found that the cubital index can vary significantly among different honeybee subspecies and populations, with some subspecies having a relatively long cubital vein and others having a relatively short one.

There is some evidence to suggest that the cubital index may be related to the foraging behavior of honeybees. Some studies have found that honeybees with a higher cubital index may be more efficient at foraging and more successful at finding food resources, while those with a lower cubital index may be less efficient at foraging.

In addition to its use in the identification and classification of honeybees, the cubital index may also have practical applications in the management of honeybee colonies. For example, some beekeepers may use the cubital index as a tool for selecting bees with desirable foraging traits for breeding purposes.

Coloración para quitina.

Trasncribo textualmente la metodología para dicha coloración (la trascripción fue tomada de Pantin (Técnicas Microscópicas para Zoólogos).

Negro Clorazol E

Es un colorante excelente para la quitina y un buen colorante general. Teñir progresivamente en una solución saturada de colorante en alcohol de 70 grados (alrededor de 20 minutos), lavar en alcohol de 90 grados y dejar en él un rato, de acuerdo con el grosor del ejemplar. Aclarar como siempre.

Aclarado.

Pasar del alcohol absoluto al xilol hasta que el ejemplar esté aclarado: si tiene menos de 5 mm de espesor, no más de una hora, y para objetos más grandes hasta 6 horas. Mantenerlo un tiempo minímo en xilol, para evitar que se torne frágil .Los objetos delicados pueden pasarse primero a una mezcla aa de xilol y de alcohol absoluto.

Atentamente.

It looks kind of like a pentatomid, but I do not see a division between the forewings. My guess is Thyreocoridae. However, my real recommendation is to try iNaturalist. https://www.inaturalist.org/ That site is full of helpful people for just this sort of problem. At the very least they can help you focus on a small group of insects and in some cases direct you to relevant literature to make a definitive identification.

Per your question, Ash: To continue, it seems to me that I've read and/or heard of some ant swarms in which the males fly into the air to meet the females, or queens. This, it seems to me, would not be an example of a lek nor lek behavior.

Dear Thomas Schuermann, the question is interesting and full of meaning. When we look at the history of the agricultural revolution, unfortunately, it was both an opportunity and a threat. The decline in human resources in the agricultural sector, the increase in production per unit area, was given opportunity, but caused serious threats, erosion and environmental pollution (types of diseases, etc.). Therefore, the people of the world (even leading countries) will not have a good future in the field of health and food security. So, organic farming can help reduce the problems facing the world. In this regard, a research paper has been attached that can help us achieve our goals for the first time in a managed target area.

https://doi.org/10.1016/j.resenv.2022.100088Get

Locusts are a part of life on the planet, and just because they interfere with our human's needs, we are the ones that have declared that there is something wrong with them. Some Native Peoples consider them sacred. Other than pathogens like Covid, they are one of the only large organisms that are in charge of us.

The idea that organic farming represents a low yield and solution is erred.

The Rodale Institute Farming Systems Trial show that comparative yield using strictly organic biological based inputs is completely competitve to agrichemical reliance.

As furth example I would take the case of potato farming which has enormous ability to provide nutrition directly to consumers. Commercial potato farmers have become major users of compost in order to increase both the yield and quality of potatoes.

The hungry potato crop responds very positively to compost and rotation which are core organic practices allowing both high yields and reduced use of pesticides.

The idea that pesticides and fertilizers guarantee high yield and stable production is flawed.

After a 3-year transition to organic agriculture the Rodale Institute has shown there is no significant reduction in yield and in years of drought the organic systems improve yields over conventional agriculture.

The reliance of solely the use of agrichemical inputs increases farmer costs but biological inputs can avoid their side effects and lead to high more stable production of maize, soybean and wheat which are major field crops in North America.

The use of organic agriculture techniques reduces the carbon foot footprint of the production systems and the ability to increase soil carbon and nitrogen not only counteracts need for synthetic inputs but also contribute to counterbalancing the enrichment of atmospheric greenhouse gases,

Perhaps a bit late, but it may help others. Have a look at PDMS (Polydimethysiloxane) to capture volatiles.

It depends on students' major, but ... How about concentrating on agricultural pests, those which will be controlled by pesticides anyway? They must cover enough diversity of insects for education purpose.

The larvae attack the plant, especially the bases of the leaves, and burrow into them, which leads to yellowing of the plant, pallor and poor production. Severe infestation leads to permanent wilting, and the plant can be easily uprooted and an unpleasant odor appears as a result of rotting.

Remove legs (1 or 2) prior to rehydration.

Yes.

Have a look at this useful RG link.

Use

Visit also the following useful RG links:

Groups (clusters) can be assessed using the Moran's I index. The Moran Index will help locate spatial correlations between areas and identify typical and atypical habitats

Regards, Sergey

SARS-CoV-2 cannot be transmitted by mosquitoes.

The horn is absolutely not for defense. I’ve tried super hard to get hurt on the horn but the horn does nothing at all. It’s too floppy to do anything defense-related. I’m guessing it has something to do with sensory functions or tricking predators. This would be a cool capstone research project for anyone interested!

I would suggests you can use multivariate analysis, correlation analysis , anova using sas software accordingly you can see the intraction effect.

QuEChERS sample preparation

Hi Murilo Fonseca Ribeiro, try reaching out to Erinn P. Fagan-Jeffries at Uni of South Australia - she works on Microgastrinae. Might be worth a shot.

Best, Andy

It is most likely a species of the family Yponomeutidae, perhaps of the genus Yponomeuta. Knowing the name of the host plant should be easy to ascertain the name of the specie.

Dear Nikola Z. Grujic . See the following useful link:

Sun, X., Zhang, F., Ding, Y. et al. Delimiting species of Protaphorura (Collembola: Onychiuridae): integrative evidence based on morphology, DNA sequences and geography. Sci Rep 7, 8261 (2017). https://doi.org/10.1038/s41598-017-08381-4

Dear Amit Manhas

in the last photo i think - Polyphylla alba

Dear Tyson,

This looks as an interesting topic to be discussed. So, I made a survey to maybe find related papers. You know it is so difficult to find publications that directly dealing with the issue of comparing nocturnal diurnal insects populations. But, I just found two papers one published in 2004 discussing day and night sampling of airborne insect fauna, the other one is published in 2019 discussing the effect of urbanization on diurnal and nocturnal insects abundance and species diversity.

My package pliman might help you with this. Please, see an example of plant disease severity quantification. If the severity of thrips damage has a contrasting coloration, it will be fairly easy to quantify it.

Also check. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6304771/

I need an answer for mine as well:

Locusts in natural ecosystems are an integral component. She plays an important role and ultimately - useful. In agroecosystems, locusts are harmful. The term harmful and useful insect was coined by man to describe the role of each insect in relation to man. But there are no harmful species in nature. The problem of locust harm lies within ourselves. An agroecosystem is a monoculture. When plants are grown in a small area field that are a food source, this causes a surge in the number of the locustes. Not all locusts harm the fields, only 3 species potentially cause crop damage.

Regards, Sergey

Ocimum tenuiflorum (Naai thulasi) plant is used for repelling the activity of mosquitoes. It is highly used in the village side.

Ocimum basilicum

Siriyanangai

I use indicator silica gel inside small plastic containers that can be sealed (for katydids, abdomen content replaced by cotton and enwrapped in toilet paper). The silica gel (blue when dry, pinkish with accumulated moisture) can easily be dried in a small saucepan on a stove or open fire. I keep using the same silica gel for many years.

Dear Robert,

Nice advices to hear from colleagues, but in my opinion you may contact with specialist of your requested group of arthropods from natural history museums around Europe.

You can read these papers

Yes, is Tropinota squalida

Journals of Entomology

1.International Journal of Entomology Research

2.Journal of Asia-Pacific Entomology

3.Journal of Insect Behavior

4.Annual Review of Entomology

5.Agricultural Entomology and Pest Management.

6.Ecological entomology

7.Journal of Agricultural Entomology

Dear Assaf Nir

This effect is also observed in other insects.

I can assume that this is related:

1. When the insect is frightened: by chemical irritants or in case of danger to life.

2. It is possible that an individual examines a new stop using antennas.

Regards, Sergey

Hi dear

my Ph.D. subject uses Insect growth regulators, Beauveria bassiana, and Nematodes to Control Termites

best regards

Prof. Dr. Maan Abdul Azeez Shafeeq

@Patrick Gorring

Thanks for your answer and making me realize that my question is not clear. Should have seen this from David's answer already. My concern is the contamination of the extracted DNA with the pigments, not with DNA from unclean dust. In the past, we had trouble with eye pigments inhibiting PCR, for instance.

I work with entomopathogens fungus in biological control with avocado, berries and citrus pest. But I'm in Mexico, Universidad de Guadalajara.

In the USA, the Californian Universities has a lot of tradition about thouse topics (Berkley, Riverside, Davis, etc)

Agree with Houda Kawas

How can you get it from other country?

Publishing descriptions of new taxa as preprints is definitely a bad idea.

(i) the name would very probably not be made available through use in a preprint

(ii) others could start using the name before the description has been officially published, causing confusion with regard to priority and date of publication

(iii) as Thierry Bouyer pointed out, someone else could come in and quickly describe the same taxon using their own name. Taxonomic vandalism is a thing...

Under the rules of the Code, nothing could modify that (although herpetology has challenged those rules in recent years).

I am searching for Tetragonula iridipennis for the last four years. Still I have not come across this species.

Does this species really occur in India is a debatable question.

Shengbin Chen and the article by Celi et al. 2004 seems to be on RG:

Hi,

In the paper attached, we used DC-Infra, 620.5–645 nm LED. It's not infrared per se, but it's red light, close to the IR spectrum. It was enough to keep our carabid beetles undisturbed by the light source.

In another project on aphids, I have used Sima 36-LED (Hauppauge, NY, USA) and Vision Technologies IR-130 (Houston, TX, USA) infrared lights, coupled with a full spectrum Sony A6000 camera. It worked nicely and we recorded nice footage of insect behavior at night.

Hope this helps,

Kevin

Dear Juan Campos

A mixture of acrylic resins in xylene may be suggested. Drying time 20 - 30 minutes. Does not form bubbles. Ideal optical properties, the refractive index is 1.5. Stable when exposed to moisture, temperature, UV rays.

These are such mounting media as: Elyashev's environment, Kolbe's environment, Hyrax, Pleurax, Styrax, Caedax, Naphrax, ZRAX, Styraplus, Dammaplus

For preparations with Euparal, Malinol, water or oil immersion is not terrible, there is no crystallization.

Regards, Sergey

I confirm it is a soil mite of the Macrochelidae family

Dear Kariyanna B. you're welcome. Please also see this potentially useful article entitled

This article is freely available as public full text on RG.

Dear Kariyanna,

I believe that several other replies here have added useful information for attempting to define this. Though I had some entomology courses and instruct a bit of this in my zoology teachings, I work largely with mammals. Extinction can be difficult, if not impossible, to verify for many species, so a consensus, such as the IUCN description is a useful working application.

In graduate school, a fellow researcher worked on a possible population census of wolverines in the state of Oregon. Though it was assumed that wolverines exist in Oregon, none were definitively sighted for several years. The research was based upon trace evidence - burrows, hair, tracks, and alleged sightings or predation of this species.

I myself assisted a colleague on trace evidence and reports of the thylacine (Thylacinus cynocephalus) in Tasmania. Largely considered to be extinct, but with continued reports, some from reputable sources. Is it extinct? Most mammalogists would say yes, but I am still uncertain with some of the reports and a large amount of suitable habitat that is difficult to access. On the other hand, species such as the Great auk, the passenger pigeon, and Steller's sea cow have no doubt that they are extinct and no sightings have been reported for a century or more.

Here is one reference for insect sampling and potential declines: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7069279/

Regards,

Jeb Bevers

The most recient is the Book "Insect systematics and principles of cladoendesis", wich is published in Russian in 2020. English version is in preparing. Information about the adopted basic classification is here: http://www.insecta.bio.spbu.ru/z/sys-ins.htm

Interesting research, although not in my field of work. I have heard about Wolbachia infections in other Diptera possibly causing melanistic non-fertile females. Is this the main reason for the slowing of the spread of Dengue? Is there any research on how Wolbachia will affect other insects?

Best wishes,

Jeroen

Dear Jacob Simons

I know only these sources of literature

Regards, Sergey

Dear Aleksandra Wójcik,

do you still need Ctenolepisma longicaudata alive?

You can send me an email to CDressen@gmx.de for more details.

Best regards,

Christian

Sergey Viktorovich Pushkin right statements. It really depends on the age of the samples. During my PhD thesis, I was dealing with old alcohol arthropods with an age of 15 to 30 years and it was impossible to extract DNA from them as I was really eager to do that. Instead I used a DNA extraction method to clear these specimens to inspect them under microscope for accurate identification for further biodiversity calculations. Just check the link below:

Maybe it is interesting for you colleagues in soil zoology.

hello dr I want to establish Lab colony for experimental work I need the colony estabished for six month at least thanks dr

Dear Erin Krichilsky I'm just wondering why you are looking for "a journal that accepts publications in two languages or at least is bilingual friendly". What is it good for to publish in different languages? We used to publish our research papers in German back in the 1970's and 1980's, but then we realized that the papers were not read by many researchers abroad. Then we switched to English to make sure that our papers are read worldwide (and eventually cited).

Yang Liangfeng (Naning Agricultural University) and John Morse (Clemson University) published a book with keys on the aquatic macroinvertebrates of China for water quality. This publication already mentioned is in both Chinese and English editions. Author: John C.More & Yang Lianfang & Tian Lixin Language: English ISBN/ISSN: 7563002405 Published on: 1994-01 Paperback

Dear Kara,

The usual concentration for ethanol is 70%. The more percentage makes specimens fragile in long-term even in short-term. About propylene glycol, I should say it may not go to the bottom of vials and it helps to reduce the evaporation of ethanol.

Best, Elaheh