3.
Differentiate between the following pairs :
2x5=10
(a) Mouth parts of Butterfly and Honey bee
Answers
Answer:
The mouthparts of butterfly and moths are siphoning and sucking type. These mouthparts are best suited to draw nectar from the flowers. Siphoning-sucking mouthparts are mostly limited to adult butterflies and moths (Order Lepidoptera). Immature moths and butterflies have chewing mouthparts. The following are the features of the siphoning and sucking mouthparts,
Labium is reduced to a triangular plate bearing labial palps.
Mandibles and hypopharynx are absent
Maxillary palps and labial palps are present in a reduced condition.
The only well-developed structures are galea of the first maxillae. These are greatly elongated semi-tube like structures. When these two galeae are applied and locked together along the length they form a long tubular proboscis. The locking of galeae is done with the help of pegs and sockets. When not in use the proboscis is coiled like a watch spring.
Answer:
The mouthparts of butterfly and moths are siphoning and sucking type. These mouthparts are best suited to draw nectar from the flowers. Siphoning-sucking mouthparts are mostly limited to adult butterflies and moths (Order Lepidoptera). Immature moths and butterflies have chewing mouthparts. The following are the features of the siphoning and sucking mouthparts,
Labium is reduced to a triangular plate bearing labial palps.
Mandibles and hypopharynx are absent
Maxillary palps and labial palps are present in a reduced condition.
The only well-developed structures are galea of the first maxillae. These are greatly elongated semi-tube like structures. When these two galeae are applied and locked together along the length they form a long tubular proboscis. The locking of galeae is done with the help of pegs and sockets. When not in use the proboscis is coiled like a watch spring.
Explanation:
The mouthparts of the honey bee belong to the chewing–lapping type, comprising the glossa, galeae and the vestigial labial palp, and they aid the bee in chewing pollen and lapping nectar (Dade 1994)