Description of the Mature Larva of the Sand Wasp Bembix bidentata and Its Parasitoids (Hymenoptera: Crabronidae, Chrysididae, Mutillidae)

The mature larvae of Bembix bidentata and one of its chrysidid and mutillid parasitoids are described and illustrated, and structures of phylogenetic value are discussed. The mature larva of B. bidentata is characterized by an integument with short setae (< 40 µm) and scanty microspinules. The ra...

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Bibliographic Details
Published in:The Florida entomologist 2009-03, Vol.92 (1), p.43-53
Main Authors: Tormos, Josep, Asís, Josep Daniel, Beneitez, Amparo, Gayubo, S. F
Format: Article
Language:English
Subjects:
Atriums
Bembix
Bidentata
Chrysidea
Chrysidea disclusa
Chrysididae
Chrysura
Chrysura hybrida
Crabronidae
descriptions
Diseases
Entomology
Hymenoptera
Insect larvae
insect morphology
insect taxonomy
Insects
Integument
Larvae
Larval development
Morphology (Animals)
Mutillidae
Papillae
Parasitism
Parasitoids
phylogeny
Physiological aspects
Preimaginal stages
Research Papers
Sensilla
Smicromyrme
Smicromyrme rufipes
Spiracles
Wasps
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Description
Summary:The mature larvae of Bembix bidentata and one of its chrysidid and mutillid parasitoids are described and illustrated, and structures of phylogenetic value are discussed. The mature larva of B. bidentata is characterized by an integument with short setae (< 40 µm) and scanty microspinules. The ratio between the length of the antennal papilla and the width of the antennal orbit is a character state that can be used in the separation of the final instar of European Bembix species. The mature larva of Chrysidea disclusa is characterized by a combination of two character states: (1) an atrium without asperities or weak lines on the circumference, and (2) antennal papillae longer than broad; the larval morphology of Chrysidea previously was unknown. The mature larva of Chrysura hybrida is characterized, within the genus Chrysura, by the autapomorphy “maxillary palpus with 4 sensilla at apex.” The range of hosts of Chrysura spp. is broadened to the Crabronidae. The mature larva of Smicromyrme rufipes is characterized, within the Mutillinae, by having more than 8 apical setae and no apical papillae on the labium.
ISSN:0015-4040
1938-5102
DOI:10.1653/024.092.0108