Who can identify this species of Spodoptera?

This species is not Spodoptera frugiperda nor Spodoptera latifascia. It is found in Colombia in different crops including coffee, mainly under greenhouse conditions. Please find attached the larva...

04 May 2019 8,438 8 View

Which are the species of plants that attract and maintain natural enemies in agricultural crops?

The maintenance of beneficial insect fauna ( parasitoids like Chalcidae, Eulophidae, Tachinidae, Braconidae wasps etc.) are important in crops for the biological control of pests. Which family of...

03 April 2019 5,572 6 View

Can anyone identify this Phobetron species (Limacodidae) from Colombia ?

This peculiar limacodid moth hangs from the branches like a monkey. It was photographed in the Andean region of Colombia.

31 December 2017 608 3 View

Agrotis malefida (Lepidoptera: Noctuidae) ?

Please, I need to confirm this species similar to Agrotis ipsilon. It is a pest of maize and coffee in Colombia.

09 October 2017 8,410 2 View

Who can identify these insect eggs in coffee plants ?

04 May 2017 4,182 33 View

Reduvid egg parasitoids ?

I obtained three parasitoids from the same batch of eggs from a Reduviidae bug from Colombia possibly from the Platygastridae family. There are few published records of parasitoids in Reduviidae...

04 May 2017 3,707 4 View

Can anyone identify this moth (Lepidoptera) pest of stored grains ?

It feeds on damaged kernels of corn and coffee beans with high content of humidity in warehouses in Colombia.

09 October 2016 6,885 9 View

Can any one tell me the genus or species of this snout moth ?

10 November 2015 7,939 14 View

Is science living an epidemic of useless studies?

A manifesto published by the scientific journal Nature, says that science is going through a stage of low credibility because many of the studies and scientific experiments lack 'reproducibility',...

01 January 1970 2,847 4 View

Who can identify this moth (Lepidoptera)?

01 January 1970 5,514 2 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 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

How we can measure Kemp % in wool without using of benzene?

Would you please let me to know about the methods for measurement of medullation and Kemp % on animal? My problem is that the wool sampling and sending to laboratory is not possible. So I would...

21 February 2021 7,260 4 View

Is the box plot of climatic indices better illustrate from daily data or annual data?

Hello, I hope you have a good time. I work on a research project about temperature indices. Due to the high number of indices, I only work on tables and maps on an annual time scale. In other...

19 February 2021 9,742 2 View

What is/are the best ML classifier(s) for Sentinel2 images?

Hi I am trying to segment a sentinel2 image. At this stage, I want to run a binary classifier that assigns each pixel to either farm or non-farm pixel. For this purpose, I have 4 10m bands...

15 February 2021 3,596 9 View

Can I modify vermiculite or perlite by adding nutrients to control a certain situation?

I need to assimilate a determining condition for the plant. However, I need to ask you if it is possible to change the properties and concentration of plant nutrients in this material like perlite...

04 February 2021 8,616 11 View

Is there a statistical technique that can be used to model these changes?

Hi everyone I have a dependent categorical variable of three levels, corresponding to three sectors of activity in the agricultural field, A, B and C and within each of them there are...

30 January 2021 2,876 13 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

What are the merits and demerits of GAN and classical data augmentation in plant leaf disease detection and classification systems?

anyone suggest what are the merits and demerits of GAN and classical data augmentation in plant leaf disease detection and classification systems

21 January 2021 5,135 5 View