External Morphology
Terms
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- What are the 4 parts of the labium?
-
1.labial palp
2.mentum
3.submentum
4.paraglossa (lower lip) - 3 parts of the maxilla?
-
1.maxillary palp
2.Lacinia (cardo, stripes)
3.Galea (helmet like) - 2 parts of mandible?
-
1.mola
2.incisor - What is the hypopharynx?
- "tongue"
- What is the labrum?
- "upper lip"
- What is the vertex?
- Top most part of the head
- What is the frons?
- The anterior, uppermost part of the head of an insect.
- What is a characteristic of a compound eye?
- Composed of many light-sensitive elements, each having its own refractive system and each forming a portion of an image.
- What about an ocellus?
- A small simple eye, usually consisting of a few sensory cells and a single lens.
- What is the tentorium and what does it do?
- A membranous cover or horizontal partition that 1) strengthens the structure and 2) is an important site for muscle attachment.
- Antenna:scape?
- A stalklike part, such as a feather shaft or a segment of an insect's antenna.
- Ecdysial lines?
- Lines of weakness between adjacent sclerites during molting with insect uses to escape exoskeleton.
- What human organ is annalogous with fat body?
- Liver
- What is hemolymph?
- Insect "blood"
- What is the trachael system?
- A type of respiratory system where tubers extend throughout the body and gas exchange occurs directly with cells.
- tergite refers to
- dorsal
- pleurites refer to
- sides
- sternites refer to
- ventral
- what is the scutum?
- Scutum is the Latin word for any type of shield,
- What is a scutellum?
- A shieldlike bony plate or scale
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What are the 6 parts of the leg?
(CTFTTP) -
1.Coxa
2.Trochanter
3.Femur
4.Tibia
5.Tarsus
6.Pretarsus (claws) - What is an elytra?
- Modified, hardened forewings that covers the entire abdomen.
- Elytra are actually the...?
- Mesothoracic "wings"
- Which wings do the flying?
- Metathoracic wings
- What is the hamuli, where is it located and what family possess them. Common name also.
-
1.A small hooklike projection or process on the wings.
2.Hymenoptera;wasp/bees -
What gives wings their colour?
What is the purpose of these colours? -
scales.
To act as a warning to potential predators and 2)mate recognition and 3)camouflage. - What are haltres?
- Knobbed or clubbed stalks, modified wings, important for flight.
- What are spiracles?
- Any of several tracheal openings in the exoskeleton of an insect
- What is a tergite?
- A sclerite forming one of the constituents of a tergum.
-
When are prolegs present?
Leps. have (blank) on the prolegs, which are absent in the hym. -
1.Only present in larvae.
2.Crochet hooks.