What is the function of the 'horn' in Hornworms and other Sphingidae family larvae?

Does it act as a visual deterrent for predators or serves a purpose in the body's physiological processes? Also, is there any similarity between the Sphingidae caterpillars and the larvae of...

09 October 2018 4,223 12 View

Can someone help me in Identifying this structure found on a Moth's thoracic region ?

The Moth (probably a Noctuidae or Erebidae member) was sighted on 13 May 2018 in Pachmarhi, Madhya Pradesh, India. This bead-like structure was prominently seen in all the specimens of this...

06 July 2018 7,344 5 View

Examples of *Primitive* Lepidoptera having Exarate decticous pupae, please?

https://www.thoughtco.com/insect-pupal-forms-1968485 http://www.entomologa.ru/figures/78.htm After reading these articles I was wondering what would be some primitive Lepidopterans that have...

04 May 2018 7,740 5 View

Why do Honey bees (Apis dorsata) get attracted to Moth screens?

Recently, we used a 400W Mercury vapor lamp to set up our Moth screen in Madhya Pradesh, Central India and we noticed that a huge number of Bees started coming and resting on the white sheet and...

03 April 2018 5,778 9 View

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View

How to accurately quantify chitin?

Hi all, I have been working on the quantification of chitin in insect samples and feed for a while but I can notice that the quantification methods (e.g. exposure to HCl, NaOH, and weighing sample...

01 March 2021 1,843 2 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

Please help in identification of this insect?

This insect is minute in size around 1 mm and not clearly visible with naked eye.

22 February 2021 5,907 11 View

Alternative to mediation analysis?

I am currently working on my dissertation and want to explore the role of competence as a mediator between the effect of colour of clothes on voting intention (focus on Western countries)....

21 February 2021 8,609 1 View

Color of spiro-ometad film?

What does the color of a spiro-ometad film indicate? I got purple, green, red, even black color of the spiro film. Is there anything we can get from the preliminary color analysis(e.g. oxidation...

21 February 2021 1,831 4 View

How do I collect online measures in a same-different task?

The same-different task requires to subjects to indicate whether a pair of stimuli seen or heard are the same (say AA or BB) or different (say AB or BA). Researchers often collect offline measures...

20 February 2021 9,226 2 View

Purification of proteins from baculovirus-infected insect cells?

18 February 2021 6,665 6 View

Any information about dinitrosalisylic acid reagent end point color stability ?

I work on estimation of alpha amylase activity using dinitrosalisylic acid reagent If i put the reagent to stope the enzymatic reaction and allow the reagent to react with the produced reducing...

17 February 2021 7,402 4 View