Sensory Structures in Insect Biology
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Questions and Answers

Dorsoventral flattening of the body is common among endoparasites.

False

Fleas have dorsoventral flattening of the body.

False

Chewing-type mouthparts are commonly found in arthropods that feed directly on host tissues.

True

Arthropods that are solenophages typically leave visible evidence of skin puncture at the bite site.

<p>False</p> Signup and view all the answers

Mosquitoes have elongated fascicle, labium, maxillae, mandibles, and hypopharynx forming a feeding apparatus called the proboscis.

<p>True</p> Signup and view all the answers

The labium in mosquitoes serves as the main structure for piercing the host's skin and delivering saliva.

<p>False</p> Signup and view all the answers

Fleas have long, protruding antennae that are used for detecting chemicals emanating from the skin of their hosts.

<p>False</p> Signup and view all the answers

Mosquitoes are attracted to substances like carbon dioxide, lactic acid, and estrogen as part of their sensory adaptations.

<p>True</p> Signup and view all the answers

Trichobothria are commonly found in mosquitoes and flies, aiding them in detecting vibrations in the air and on surfaces.

<p>False</p> Signup and view all the answers

Ticks have specialized sensory organs called Haller's organs located on their abdomen.

<p>False</p> Signup and view all the answers

The basal segment forms Johnston's organ in mosquitoes, which is specialized for detecting temperatures.

<p>False</p> Signup and view all the answers

Sensory receptors near the tip of the proboscis in bed bugs are used to detect capillaries beneath the surface of the skin.

<p>True</p> Signup and view all the answers

Ticks have sucker-like empodia on their hind legs to secure themselves to hosts.

<p>True</p> Signup and view all the answers

Fleas have modified forelegs with enlarged claws for grasping and holding onto the host skin.

<p>False</p> Signup and view all the answers

Bed bugs have styletiform maxillae and mandibles held within a sheathlike segmented labium for piercing-sucking feeding.

<p>True</p> Signup and view all the answers

Lice have labrum forming a haustellum with prestomal teeth used to anchor mouthparts to host tissues.

<p>True</p> Signup and view all the answers

The epipharynx of fleas is inserted into a capillary during feeding.

<p>False</p> Signup and view all the answers

Mites use their hindlegs with el scales for clasping and holding onto smooth surfaces of the host's body.

<p>False</p> Signup and view all the answers

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