Analysis of Varroa Mite Colony Infestation Level Using New Open Software Based on Deep Learning Techniques.

Journal: Sensors (Basel, Switzerland)
PMID:

Abstract

Varroa mites, scientifically identified as , pose a significant threat to beekeeping and cause one of the most destructive diseases affecting honey bee populations. These parasites attach to bees, feeding on their fat tissue, weakening their immune systems, reducing their lifespans, and even causing colony collapse. They also feed during the pre-imaginal stages of the honey bee in brood cells. Given the critical role of honey bees in pollination and the global food supply, controlling Varroa mites is imperative. One of the most common methods used to evaluate the level of Varroa mite infestation in a bee colony is to count all the mites that fall onto sticky boards placed at the bottom of a colony. However, this is usually a manual process that takes a considerable amount of time. This work proposes a deep learning approach for locating and counting Varroa mites using images of the sticky boards taken by smartphone cameras. To this end, a new realistic dataset has been built: it includes images containing numerous artifacts and blurred parts, which makes the task challenging. After testing various architectures (mainly based on two-stage detectors with feature pyramid networks), combination of hyperparameters and some image enhancement techniques, we have obtained a system that achieves a mean average precision (mAP) metric of 0.9073 on the validation set.

Authors

  • Jose Divasón
    Departament of Mathematics and Computer Science, University of La Rioja, 26006 Logroño, Spain.
  • Ana Romero
    Departament of Mathematics and Computer Science, University of La Rioja, 26006 Logroño, Spain.
  • Francisco Javier Martinez-de-Pison
    Department of Mechanical Engineering, University of La Rioja, 26004 Logroño, Spain.
  • Matías Casalongue
    BIOFITER Research Group, Environmental Sciences Institute (IUCA), Department of Animal Production and Food Sciences, University of Zaragoza, 22071 Huesca, Spain.
  • Miguel A Silvestre
    Department of Cell Biology, Functional Biology and Physical Anthropology, University of Valencia, 46100 Burjassot, Spain.
  • Pilar Santolaria
    BIOFITER Research Group, Environmental Sciences Institute (IUCA), Department of Animal Production and Food Sciences, University of Zaragoza, 22071 Huesca, Spain.
  • Jesús L Yániz
    BIOFITER Research Group, Environmental Sciences Institute (IUCA), Department of Animal Production and Food Sciences, University of Zaragoza, 22071 Huesca, Spain.