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- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Introductory_Biology_(CK-12)/11%3A_Invertebrates/11.11%3A_InsectsThey differ in how the muscles are attached and whether the two pairs of wings work independently or together. In the process, he hopes to catalog all of the world's 30,000 ant species before they bec...They differ in how the muscles are attached and whether the two pairs of wings work independently or together. In the process, he hopes to catalog all of the world's 30,000 ant species before they become casualties of habitat loss. By late May to early June, when the larvae have depleted the food supply, the adults migrate to the mountains. In the clear, warmer days of early spring, the ladybugs break up the aggregates and begin several days of mating.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Biology_(Kimball)/15%3A_The_Anatomy_and_Physiology_of_Animals/15.11%3A_Behavior/15.11.07%3A_PheromonesThis page discusses the role of pheromones as chemical signals for communication across species. In insects, they serve functions such as alerting to danger and guiding to food, while honeybee queens ...This page discusses the role of pheromones as chemical signals for communication across species. In insects, they serve functions such as alerting to danger and guiding to food, while honeybee queens use them to influence worker behavior. Pheromones can also disrupt mating in pest management. In mammals, they signal territory and prepare mating systems, with human pheromones potentially synchronizing menstrual cycles among cohabiting women, affecting hormonal changes subconsciously.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Biology_(Kimball)/14%3A_Embryonic_Development_and_its_Regulation/14.05%3A_Segmentation_-_Organizing_the_EmbryoThis page details the segmentation of Drosophila melanogaster, which features 14 body segments (3 head, 3 thoracic, 8 abdominal). The segmentation is controlled by maternal mRNA gradients, particularl...This page details the segmentation of Drosophila melanogaster, which features 14 body segments (3 head, 3 thoracic, 8 abdominal). The segmentation is controlled by maternal mRNA gradients, particularly bicoid and nanos, influencing genes like hunchback and even-skipped. These gradients function as transcription factors, facilitating gene activation patterns crucial for segment formation.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Biology_(Kimball)/15%3A_The_Anatomy_and_Physiology_of_Animals/15.06%3A_Hormones/15.6.02%3A_Insect_HormonesThis page discusses how insects grow through molting, transitioning through life stages: larva, pupa, and adult, particularly in orders like Hymenoptera and Lepidoptera. The process of complete metamo...This page discusses how insects grow through molting, transitioning through life stages: larva, pupa, and adult, particularly in orders like Hymenoptera and Lepidoptera. The process of complete metamorphosis involves significant biological changes in the pupal stage, regulated by hormones such as Prothoracicotropic Hormone (PTTH), Ecdysone, and Juvenile Hormone (JH). Insights into these hormonal processes can inform pest control strategies.
