Fleas Flashcards
what types of arthropods are heavily sclerotized, bilaterally flattened, wingless, usually tan/yellow/redishbrown in color, and whose larvae are not parasitic (they feed on debris and nest/surrounding material)
fleas
what types of arthropods have a head that joins at the thoraz and a ctenidium (spines that help a flea retain itself among fur or feathers)
fleas
Which legs are longer in fleas, hind legs or front legs
hind legs
what do fleas have in their pleural arch that acts like a rubber pad with elastic properties, releasing stored energy
resilin
fleas can jump more than —– times their body length
100
hind femurs rotate to be parallel to the ____ when fleas are preparing to jump
coxae
Fleas whose hosts are small and accessible tend to have ____ pleural arches and are ___ adept at jumping
reduced; less
what environmental conditions favor egg laying for fleas
high humidity
which stage of flea development is found in the environment
larvae
how many larval instars do fleas have
3
what kind of specificity do fleas usually have?
low – however, have preferred hosts
List three things fleas act as vectors for
plague
murine typhus, myomatosis
what inhibits flea development in carpet for up to one year
diflubenzuron
which drugs make fleas lay infertile eggs
pyriproxyfen and methoprene
