Insects

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Questions related to Insects

How to perform calibration and validation using Artificial Neural Networks (ANN) in Near-Infrared Spectroscopy analysis?

I have the data of total dissolved soilds of apple as references (y-variable). I also have near-infared spectra data as predictors (x-variables). I have the StatSoft Statistica software for the...

29 January 2019 8,054 3 View

Is the traditional style of architecture produced by a designed method or a product of local builders?

Are there designers for Iraqi traditional houses, Or is it a product of human needs, or according to experience and error?

28 January 2019 4,573 9 View

For the control of insect populations could the use of synthetic pheromones replace the transgenic plants producing Bt toxins?

Many people are against genetically modified plants to control pest populations. An alternative could be the use of insect pheromones to decrease the population of insects destroying crops.

25 January 2019 6,476 9 View

How to overwinter Diuraphis noxia? egg or not ?

Dear all I am from Northwestern China (Xinjiang), China. Now I'm working on Russia wheat aphid (Diuraphis noxia). Interesting, sexupara, as well as female can be found in some region in...

17 January 2019 9,923 3 View

I need papers Clove (Syzygium aromaticum), Hing (Asafoetida), and Wood ash to control insect pest specially aphids, white flies and Spotted Boll worm?

I need some good published paper about Clove (Syzygium aromaticum), Hing (Asafoetida), and Wood ash to control insect pest specially aphids, white flies and Spotted Boll worm? if some one have...

11 January 2019 1,400 3 View

How many cornutal spines are present on vesica of Loepa katinka (Westwood)?

Vesica is part of adeagus of male genitalia in insects. I came across with presence of cornuti on the vesica of some Saturniid genera including genus Loepa. I want to know number of cornutal...

05 January 2019 6,016 1 View

Is a device Infrared thermometer test giving sufficient information about thermal insulation between two surfaces?

Infrared thermometer test

04 January 2019 8,615 5 View

Has anyone some references about the relevance of parasitoid specialist and generalists in insect pest control, especially in forests?

I think I can remember that I saw a presentation during my studies about the relevance of generalists in hindering insect pest mass gradations. The think explanation was that generalists are not...

01 January 2019 4,040 4 View

For the bioprotection of plants against insects, is it conceivable to create transgenic plants producing pheromones (sex or alarm)?

Such a procedure could circumvent the cost of pheromones traps and assure throughout the vegetation season a constant diffusion of the pheromones (repelling of confusing the breeding of insects...

01 January 2019 5,022 8 View

For the control of insect populations could the use of synthetic pheromones replace the transgenic plants producing Bt toxins?

Many people are against genetically modified plants to control pest populations. An alternative could be the use of insect pheromones to decrease the population of insects destroying crops.

01 January 2019 3,547 10 View

Do circadian clocks in lepidopterous crambidae have temperature compensation and dependent only on cyclic changes of the year?

could any one have the information related to temperature compensation of circadian rhythms in insects or the clock of insects must depend on the weather changes for the developmental cycle. for...

01 January 2019 9,739 1 View

Do dragonflies or damselflies always live in clean aquatic habitat?

I am about starting a side research project about dragonflies and damselflies. So far, I collect a handful of references for my project and they collectively say that these Odonatans are the...

01 January 2019 7,765 12 View

Does the global warming phenomenon affect the insects?

Does the phenomenon of global warming increases or decreases the number of insects? Does this phenomenon lead to the extinction of some species?

01 January 2019 1,835 4 View

How many cornutal spines are present on vesica of Loepa katinka (Westwood)?

Vesica is part of adeagus of male genitalia in insects. I came across with presence of cornuti on the vesica of some Saturniid genera including genus Loepa. I want to know number of cornutal...

01 January 2019 7,053 1 View

How does bile salt inhibits most of the Gram positive organism?

I was just wondering this when is was reading about media like Mackonkey. Just out of curiosity, I read few of the articles. Is it due the presence of teichoic acid in the CW of gram positive...

01 January 2019 9,409 1 View

How is the changes of chlorophyll a,b and caratenoids in plants when they fronted against high temperature stresses?

Plants produced biochemical compounds such as proline, glycine betain and so on, when they are under heat stress. How is the changes of chlorophyll a, b and special cartenoids under high...

31 December 2018 4,128 8 View

Someone working on Insect Pheromones for Plant Protection?

Hi, I wish to talk to someone who is working and specializing in the area of Pheromone Application for Plant Protection in Agriculture. Please message or comment. Looking forward for a technical...

27 December 2018 4,213 18 View

How to find out the Carbonyl and sulphoxide indices in FTIR analysis?

Hi, Can someone explain me how to find out the Carbonyl and suphoxide indices in FTIR analysis. I have performed an FTIR on bitumenous blends but its quite heavy to conclude from that. I guess...

22 December 2018 6,260 5 View

Please identify these insects?

These insects were photographed on plants.

21 December 2018 325 2 View

I need to get learning about insects particularly about “termites' Identification key and scientific categorization” for morphological identificat?

I need to get learning about insects particularly about “termites' Identification key and scientific categorization” for morphological identification. I am confronting troubles in finding precise...

16 December 2018 5,725 2 View

Please identify these insects?

These insects were photographed on plants.

12 December 2018 9,074 2 View

Are there (low-cost) cameras/webcams for small insect (parasitoids) behaviour recording if focused on a given plant organ?

More precisely: > Are there cameras/webcams that can be used to record (continuously) for a whole day or more a small organ of a plant (e.g. stipules) and the visits it gets from small insects...

12 December 2018 4,362 8 View

What is the solvent of choice that is suitable to suppress the insects?

I found a beetle that emits a bad smell. I would like to extract it in order to isolate possible pheromones. What is the solvent of choice suitable to suppress the insects before homogenizing...

12 December 2018 2,810 0 View

I need to get learning about insects particularly about “termites' Identification key and scientific categorization” for morphological identificat?

12 December 2018 8,353 2 View

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