EXER 2. NEMATOCERANS I: THE MOSQUITOES

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Created by
April Cañete

Cards (29)

  • mosquitoes are highly prevalent in warm and humid regions.
  • Plasmodium spp. 

    malaria
  • Flavivirus

    dengue
  • Wuchereria bancrofti 

    elephantiasis
  • Dirofilaria immitis
    canine heartworm disease
  • blood-suckers

    hematophagous
  • True or false. Females are blood-suckers and serves as the vector of diseases.
    True
  • what are the three common genera of mosquitoes in the Philippines?
    Aedes, Culex, Anopheles
  • this genera of mosquitoes have spotted wings
    Anopheles spp.
  • also known as "tiger mosquito" has banded legs
    Aedes
  • species of mosquitoes that are gray, light brown to brown with white, silver, green, or blue scales. 

    Culex spp.
  • life cycle of mosquitoes
    1. adult
    2. egg
    3. larva (wriggler)
    4. pupa (trumpet)
  • mosquitoes undergo complete metamorphosis or holometabolous development.
  • mosquitoes have dichoptic compound eyes
  • fused thoracic segments of mosquitoes
    scutum, scutellum, post-scutellum
  • anterior plate on the dorsum of the thorax 

    scutum
  • smaller posterior plate behind the scutum
    scutellum
  • a dome-shaped plated behind the scutellum 

    post-scutellum
  • bristle-like structures between the claws of mosquitoes
    empodium
  • vestigial wings behind the true wings are also called?

    halteres
  • what structure/s in the abdomen differentiates female mosquitoes from male mosquitoes?
    presence of post-genital plate in females and claspers in males.
  • these are long slender structures that is used for sucking blood

    proboscis
  • what are the structure/s used to differentiate the sexes of mosquitoes in the head region/part?
    antennae: plumose (feather-like antenna)-male
    : pilose (hairy-like antenna): female
  • this is very prominent and is deeply grooved dorsally to hold the other stylet like parts
    labium
  • labium terminated in a pair of lobes called?
    labella
  • this is the strongest of the stylets and is deeply grooved ventrally.
    labrum-epipharynx
  • consist of a pair of needle-like stylets. In male, they are greatly reduced or absent

    mandibles
  • this consists of a pair of flattened stylets serrated distally and a pair of 4-segmented palpi
    maxillae
  • single median stylet
    hypopharynx