Sex pheromone identified after Solid Phase Microextraction from tergal glands of female alates in Cornitermes bequaerti (Isoptera, Nasutitermitinae)

Bordereau, Christian; Cancello, Eliana Marques; Sémon, Étienne; Courrent, Annie; Quennedey, Brigitte

doi:10.1007/s00040-002-8303-1

Cited by 34 publications

(35 citation statements)

References 24 publications

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“…In Blattodea and Isoptera, the tergal glands generally consist of secretory cells class 1, 2 and 3 (Sreng, 1984;1985;Bordereau et al, 2002). Our data on P. simplex support these results, in contrast with Ampion & Quennedey (1981) who do not refer the presence of class 2 cells in the tergal glands of P. simplex and Cornitermes bequaerti.…”

Section: Discussionsupporting

confidence: 78%

“…Secretory cells class 2 represent modified oenocytes (Quennedey, 1998) and their presence is known only from termite sternal (Quennedey, 1971;1998;Noirot & Quennedey, 1974) and tergal glands (Bordereau et al, 2002) and from the sternal and tergal glands in cockroaches (Sreng, 1984;1985). The structure of class 2 cells differs between sexes of P. simplex, e.g.…”

Section: Discussionmentioning

confidence: 99%

“…The tergal and the posterior sternal glands reveal a uniform structure (Ampion & Quennedey, 1981). According to observations made on females of Cornitermes bequaerti Emerson, tergal glands are composed of class 1, 2 and 3 cells (Bordereau et al, 2002). Tergal and posterior sternal glands of unique structure were found on sternites 6 and 7 in females of Macrotermes annandalei (Silvestri), formed by class 3 cells extending to subcuticular pouches (Quennedey et al, 2004).…”

Section: Introductionmentioning

confidence: 99%

“…The only identified compound produced by the tergal glands in termites is (3Z, 6Z, 8E)-dodeca-3,6,8-trien-1-ol, acting in Cornitermes bequaerti as a sexual pheromone (Bordereau et al, 2002). The same substance is produced by the sternal gland in a number of termite species as a trail pheromone and may also act as a sexual pheromone but in higher concentrations (for a review see Pasteels & Bordereau, 1998).…”

Section: Introductionmentioning

confidence: 99%

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Ultrastructural study of tergal and posterior sternal glands in Prorhinotermes simplex (Isoptera: Rhinotermitidae)

Šobotník¹,

Weyda²,

Hanus³

2005

Eur. J. Entomol.

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Abstract. In Prorhinotermes simplex, tergal glands are present on the last three tergites (from the 8th to the 10th) in imagoes of both sexes. In addition, males possess posterior sternal glands of the same structure on sternites 8 and 9. The tergal and the posterior sternal glands consist of four cell types: class 1 and class 2 secretory cells, and class 3 cells with corresponding canal cells. The cytoplasm of class 1 cells contains smooth endoplasmic reticulum, elongated mitochondria and numerous microtubules. Apical parts of these cells are formed by dense and long microvilli with a central ductule. Class 2 cells contain predominantly lucent vacuoles (in females) or lipid droplets (in males).

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Section: Discussionsupporting

confidence: 78%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Ultrastructural study of tergal and posterior sternal glands in Prorhinotermes simplex (Isoptera: Rhinotermitidae)

Šobotník¹,

Weyda²,

Hanus³

2005

Eur. J. Entomol.

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“…In general, tergal glands correspond to thickenings of the last abdominal tergites and infl uence the pairing of reproductives, maintaining the cohesion of the tandem before mating. Nevertheless, in Cornitermes bequaerti Emerson, the three female tergal glands are involved in the calling posture (Bordereau et al 2002). Once attracted by the sex pheromone, the male touches the female, placing its prothoracic legs on the abdominal pleural membranes of the female.…”

Section: Sex Pheromonesmentioning

confidence: 99%

Chemical communication in isoptera

Costa–Leonardo¹,

Casarin²,

Lima³

2009

Neotrop. entomol.

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Edited by José Maurício Simões Bento -ESALQ/USPNeotropical Entomology 38(1): 001-006 (2009) Comunicação Química em Isoptera RESUMO -Os semioquímicos dos cupins têm sido pouco estudados quando comparados aos de formigas e abelhas. Um dos fatores limitantes é o hábito críptico dos térmitas, aliado à difi culdade de manutenção de muitas espécies em laboratório. Entre os semioquímicos de Isoptera destacam-se os feromônios sexuais, de trilha, de alarme e uma mistura complexa de substâncias responsável pelo reconhecimento dos companheiros de ninho. Apesar de os semioquímicos dos cupins serem pouco conhecidos, os dados disponíveis indicam uma estratégia de parcimônia feromonal na comunicação química desses insetos, ou seja, algumas vezes o mesmo composto é secretado por diferentes glândulas, diferentes espécies e para diferentes funções. PALAVRAS-CHAVE: Semioquímico, feromônio de trilha, feromônio de alarme, feromônio sexual, cupimABSTRACT -The semiochemicals produced by termites have been little studied compared to those of ants and bees. Among the limiting factors are the cryptic habits of termites, together with the diffi culty in maintaining many species in the laboratory. The semiochemicals of Isoptera include trail, sex and alarm pheromones and a complex mixture of substances responsible for the recognition of nestmates. Although little is known about the semiochemicals of termites, available data indicate a strategy of pheromonal parsimony in the chemistry communication of these insects, i.e., the same compound is sometimes secreted by different glands, different species and for different functions.

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Ultrastructure of posterior sternal glands of Macrotermes annandalei (Silvestri): New members of the sexual glandular set found in termites (Insecta)

Quennedey

Peppuy

Courrent

et al. 2004

Journal of Morphology

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In female alates of Macrotermes annandalei, two types of abdominal glands are involved in the secretion of sex pheromone. Tergal glands are found at the anterior margin of tergites 6-10 and posterior sternal glands (PSGs) are located at the anterior margin of sternites 6-7. The cytological features of both types of glands are quite similar. The fine structural organization of PSGs is studied more precisely and described for the first time. The glandular cuticle is pitted with narrow apertures corresponding to the openings of numerous subcuticular pouches. Several Class 3 glandular units open in each pouch. One canal cell and one secretory cell make an individual glandular unit. The canal cell is enlarged apically and is connected with the other canal cells to form a common pouch. Based on the structural features found in these glands, we propose a common secretory process for PSGs and tergal glands. During the physiological maturation of alates inside the nest, secretory vesicles amass in the cytoplasm of secretory cells, while large intercellular spaces collapse the cuticular pouches. At the time of dispersal flight, pouches are filled with the content of secretory vesicles while intercellular spaces are sharply reduced. After calling behavior, no secretion remains in the glands and pouches collapse again, while secretory cells are drastically reduced in size. The structure and the secretory processes of PSGs and tergal glands are compared to those of abdominal sexual glands known in termites.

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Sex pheromone identified after Solid Phase Microextraction from tergal glands of female alates in Cornitermes bequaerti (Isoptera, Nasutitermitinae)

Cited by 34 publications

References 24 publications

Ultrastructural study of tergal and posterior sternal glands in Prorhinotermes simplex (Isoptera: Rhinotermitidae)

Ultrastructural study of tergal and posterior sternal glands in Prorhinotermes simplex (Isoptera: Rhinotermitidae)

Chemical communication in isoptera

Ultrastructure of posterior sternal glands of Macrotermes annandalei (Silvestri): New members of the sexual glandular set found in termites (Insecta)

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