2003
DOI: 10.14411/eje.2003.086
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Pedicellar structures in Reduviidae (Heteroptera) - comments on cave organ and trichobothria

Abstract: Abstract. Sensillar structures of the antennal pedicel are investigated in Reduviidae and Pachynomidae. The cave organ, a pre sumably chemoreceptive structure, previously reported only for haematophagous Triatominae, is described here also for representa tives of Peiratinae, Reduviinae and Stenopodainae. The systematic implication of the occurrence of this sensillar structure is discussed. Further, four sclerites located in the membrane between pedicel and preflagelloid are described and used as landmarks for … Show more

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Cited by 17 publications
(20 citation statements)
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“…This character was used to diagnose Hammacerinae by Readio (1927), Costal Lima (1935), and Usinger (1943), and is a synapomorphy of Hammacerinae. Shape of campaniform sensillar sclerite and dorsal sclerite on pedicellus : short (0), very long (1). Weirauch (2003b) described and figured these two sclerites in the pedicello‐flagellar membrane (her Fig. 1a, d), and emphasized that very elongate sclerites occurred in only two species of Cetherinae ( Cethera musiva , Eupheno pallens ) among examined Reduviidae.…”
Section: Resultsmentioning
confidence: 90%
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“…This character was used to diagnose Hammacerinae by Readio (1927), Costal Lima (1935), and Usinger (1943), and is a synapomorphy of Hammacerinae. Shape of campaniform sensillar sclerite and dorsal sclerite on pedicellus : short (0), very long (1). Weirauch (2003b) described and figured these two sclerites in the pedicello‐flagellar membrane (her Fig. 1a, d), and emphasized that very elongate sclerites occurred in only two species of Cetherinae ( Cethera musiva , Eupheno pallens ) among examined Reduviidae.…”
Section: Resultsmentioning
confidence: 90%
“…The present cladistic analysis contributes to our knowledge of higher‐level relationships among Reduviidae through the use of morphological characters. In addition to relying on characters that were previously used in reduviid systematics, but are in many cases documented here for the first time, the present study takes advantage of additional, recently published comparative morphological studies (Weirauch, 2003a, b, 2004, 2005, 2006a, b, c). Furthermore, novel morphology was studied during this project, using light microscopical, histological and scanning electron microscopical techniques to document mouthpart characters, head sclerites, thoracic and abdominal structures, and male and female genitalia where necessary.…”
Section: Introductionmentioning
confidence: 99%
“…The strong, central mechanoreceptive seta on the AT corresponds to the structure called hair shaft by Gaffal (1976), trichobothrial seta by Weirauch (2003) or simply "hair" by Meßlinger (1987). It is generally circular in cross-section, straight or curved, not twisted and usually with grooves running its whole length (Fig.…”
Section: Sensillummentioning
confidence: 99%
“…In addition to early microscopic studies (Tullgren, 1918), comprehensive surveys include works on the fi ne structure of trichobothria occurring on the femora of Miridae (Schuh, 1975) and antennae of Pachynomidae and Reduviidae (Mclver & Siemicki, 1984;Wygodzinsky & Lodhi, 1989;Catalá, 1997;Weirauch, 2003). In spite of the vast literature on the spatial distribution of abdominal trichobothria in Trichophora, there is virtually no data on their individual morphology except for the SEM photographs of a few taxa scattered in the literature (Schuh, 1975;Davidová-Vilímová & Štys, 1993;Schuh & Slater, 1995;Gao & Bu, 2009) and no comparative study of the various taxa.…”
Section: Sensillummentioning
confidence: 99%
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