Morphology, Biology, & Bahavior Flashcards
The abdomen has no true legs although
Some caterpillars may bear “false legs” on their abdomen
Antennas serve as the principal organs of
Smell
Siphoning mouthparts cannot
Pierce either skin or plant tissues… they are more like flexible straws
Insects do not have noses, but they are able to
Detect many chemicals on the air (scents) with their antennae
Tapering segments, like a seta or hair
Setaceous
With a long base and an elbow or bend in the middle
Elbowed or geniculate
Comb-like, with one extension projecting from each segment
Pectinate
Comb-like with two extensions projecting from each segment
Bipectinate
Thread-like with long, cylindrical segment
Filiform
Bead-like, with round bead-like segments
Moniliform
Plate-like, with outermost segments flat, forming a lopsided club
Lamellate
Feather-like, with segments bearing slender, feathery extensions
Plumose
Like the teeth on a saw
Serrate
With the outermost segments forming a gradually expanding symmetrical club
Clavate
With the outermost segments abruptly enlarged into a round or oval club
Capitate
In flies, with a hair or bristle arising from the terminal basal segment
Aristate
Clavate or clubbed antennae means
One or more of the terminal antennal segments are enlarged or swollen
