The postdefecating larva (prepupa) of Stilbum cyanura (Förster) is described, illustrated and compared with the mature larvae of other Chrysididae. Analysis of the character states important for clarifying the phylogeny of this family: a) all abdominal segments divided/not divided into two annulets; b) integument (1), atrium (2), opening into subatrium (3), mandibles (4), maxillae (5), maxillary palpi (6), and labium (7) with/without: (1) setae or spines, (2) asperities or weak lines on circumference, (3) spines; (4) setae on base, (5) spinules, (6) five apical sensilla, (7) papillose margin; c) cranium with five or more/1 to 4/without pairs of setae; d) antennal papillae: (1) longer/not longer than broader, (2) with two/three apical sensilla; e) labrum with/without: (1) anterior edge notched, (2) sensilla, and f) galeae highly/normally/poorly developed, show that the mature larva of Stilbum is characterized by the autapomorphy: antennal papillae with four apical sensilla. A few observations on a female of S. cyanura on the mud nest of its host, Sceliphron caementarium (Drury) (Hymenoptera: Sphecidae) showed that the cuckoo wasp, after an exploration phase to localize a host larva, create a hole in mud with its mouthparts and then insert the abdomen in this hole to oviposit in the host brood cell.

Description of the postdefecating larva of Stilbum cyanura (Förster) and observations on adult behavior (Hymenoptera: Chrysididae) / J. Tormos, C. Polidori, J.D. Asís, M. Federici. - In: JOURNAL OF ENTOMOLOGICAL SCIENCE. - ISSN 0749-8004. - 41:1(2006 Jan), pp. 1-8.

Description of the postdefecating larva of Stilbum cyanura (Förster) and observations on adult behavior (Hymenoptera: Chrysididae)

C. Polidori
Secondo
;
2006

Abstract

The postdefecating larva (prepupa) of Stilbum cyanura (Förster) is described, illustrated and compared with the mature larvae of other Chrysididae. Analysis of the character states important for clarifying the phylogeny of this family: a) all abdominal segments divided/not divided into two annulets; b) integument (1), atrium (2), opening into subatrium (3), mandibles (4), maxillae (5), maxillary palpi (6), and labium (7) with/without: (1) setae or spines, (2) asperities or weak lines on circumference, (3) spines; (4) setae on base, (5) spinules, (6) five apical sensilla, (7) papillose margin; c) cranium with five or more/1 to 4/without pairs of setae; d) antennal papillae: (1) longer/not longer than broader, (2) with two/three apical sensilla; e) labrum with/without: (1) anterior edge notched, (2) sensilla, and f) galeae highly/normally/poorly developed, show that the mature larva of Stilbum is characterized by the autapomorphy: antennal papillae with four apical sensilla. A few observations on a female of S. cyanura on the mud nest of its host, Sceliphron caementarium (Drury) (Hymenoptera: Sphecidae) showed that the cuckoo wasp, after an exploration phase to localize a host larva, create a hole in mud with its mouthparts and then insert the abdomen in this hole to oviposit in the host brood cell.
Chrysididae ; Stilbum ; prepupa
Settore BIO/09 - Fisiologia
gen-2006
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/65929
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