Structure and Functions of Spiracles of Mature Bee Larvae (Hymenoptera: Apoidea)

Rozen, Jerome G.

doi:10.1093/aesa/sax042

Cited by 2 publications

(1 citation statement)

References 5 publications

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“…24, 25); as measured from above, dorsal breadth of abdominal segment 5 approximately twice that of thoracic segment 3 shortly before pupation (see Remarks below regarding this change in body form). Spiracle of postdefecating larva with shallow atrium, about half as deep as wide when viewed externally; atrial wall gradually darkening as it approaches tracheal opening thereby imparting slightly tannish hue to sclerotized spiracle under low magnification; center of innermost end of atrium with short sclerotized ring to which is attached flexible, collapsible tube of thin transparent chitin several times as long as atrial depth; inner end of tube attaching to trachea (hence, flexible nature of tube and indeed entire spiracular arrangement closely matching figure in Rozen, 2017a: fig. 4).…”

Section: Larval Instars Of Bombus Griseocollismentioning

confidence: 70%

Preliminary Study of the Bumble BeeBombus griseocollis, Its Eggs, Their Eclosion, and Its Larval Instars and Pupae (Apoidea: Apidae: Bombini)

Rozen

Smith

Johnson³

2018

American Museum Novitates

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Section: Larval Instars Of Bombus Griseocollismentioning

confidence: 70%

Preliminary Study of the Bumble BeeBombus griseocollis, Its Eggs, Their Eclosion, and Its Larval Instars and Pupae (Apoidea: Apidae: Bombini)

Rozen

Smith

Johnson³

2018

American Museum Novitates

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Developmental Biology among Corbiculate Bees: Bombus impatiens, Including Observations on Its Egg Eclosion

Rozen

Smith

Kocher³

et al. 2018

American Museum Novitates

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506

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This contribution results from an investigation of four commercially obtained colonies of Bombus (Pyrobombus) impatiens Cresson in an attempt to understand the functional anatomy and behavior of its immature stages. Eggs are described in detail, and their chorionic microstructure is contrasted with that of Bombus (Cullumanobombus) griseocollis (De Geer). They are deposited in groups consisting of a few to more than nine eggs into a single chamber. The study confirms that larvae pass through four instars. Although increasing in size dramatically from one instar to the next, larval anatomy and behavior change little during the first three instars. The last instar is the one that commences defecation and production of silk resulting in cocoon construction. In contrast to most bees, its larval activities result in substantial changes in size and shape of its brood chamber, whereas brood chambers of most bees are constructed by the female and modified little by the offspring. This study is a part of a series of investigations into the similarities and differences in the developmental biologies among corbiculate bees.

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Structure and Functions of Spiracles of Mature Bee Larvae (Hymenoptera: Apoidea)

Cited by 2 publications

References 5 publications

Preliminary Study of the Bumble BeeBombus griseocollis, Its Eggs, Their Eclosion, and Its Larval Instars and Pupae (Apoidea: Apidae: Bombini)

Preliminary Study of the Bumble BeeBombus griseocollis, Its Eggs, Their Eclosion, and Its Larval Instars and Pupae (Apoidea: Apidae: Bombini)

Developmental Biology among Corbiculate Bees: Bombus impatiens, Including Observations on Its Egg Eclosion

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