Anyone suggest, is there any methodology to study external genitalia of Lepidoptera without dissection.?

I mean sometime we have limited individuals concerned with any taxa, carrying risk to dissect or designated any type.. now a day few new techniques are available to scan even anatomy of any...

06 July 2019 3,058 9 View

Is there any significant taxonomic importance of wing venation in taxonomy of Moths?

Now a day many publication on Lepidoptera published from reputed or renowned Journal by experts in the field of taxonomy on Moths. But they mainly focus on morpho taxonomy (mainly on external...

09 October 2018 4,423 4 View

Where can I find atmospheric measurement profiles (temperature, density, etc.) between 300-800 km altitude?

I am investigating thermospheric mass density profiles between 300-800 km altitude. I would like to compare the variability with other parameters, including temperature, electron content,...

01 March 2021 5,902 3 View

The Shannon's index is inversely proportional to Simpson's index (1-D)?

I'm having a problem with my bloxplot with Shannon's and Simpson's indexs. The value of Shannon for my Community 1 indicating higher diversity (in relation of the Community 2), but have lower...

26 February 2021 3,033 9 View

Where i will get the Desmodium and Napier grass seeds?

26 February 2021 975 4 View

Is this moth a Diatraea saccharalis?

The caterpillars of this moth were found in stems of Echinochloa polystachia grass as stem borers. The length of the caterpillars are something about 1.7 cm. I have compared images from the...

24 February 2021 309 3 View

Are these moths Spodoptera frugiperda?

The caterpillars of the moths were collected as fruitborers in pepper at a farmer. I reared them till the adults hatched and compared them with pictures and descriptions on the internet. Are these...

24 February 2021 7,785 5 View

What can explain a low expected heterozygosity rate for T. monococcum wild samples (0.09) ?

I conducted an SDS PAGE electrophoresis on wheat wild varieties to separate their glutenins and measure the genetic diversity of my sample. I only ran one electrophoresis. Can a genetic drift...

14 February 2021 3,971 1 View

Habitat Suitability through GIS without presence-absence data?

What kind of models/techniques can be used with GIS spatial analysis in order to determine habitat suitability for a species that is not (widely) present in a certain region? For my bachelor...

31 January 2021 2,777 2 View

Is diversity in teaching methods for students important in communicating information?

Is diversity in teaching methods for students important in communicating information?

26 January 2021 3,387 7 View

Helicoverpa armigera eggs are not hatching in lab condition, why?

Dear RG friends, I am providing a complete H. armigera diet for larvae and maintaining the eggs in the growth chamber as well as in-room conditions. But since three months, eggs laid from the...

21 January 2021 5,546 32 View

Corpus linguistics collocate indicative of diversity?

I have a question, as to whether collocations in corpus linguistics can be used to indicate diversity. I have a corpora of media news articles, and I manage to find out the frequency of my target...

19 January 2021 1,446 1 View