Morphometric analysis, mimicry, and color polymorphism in five species of Chauliognathus Hentz (Coleoptera, Cantharidae)

Machado, Vilmar; Araújo, Aldo Mellender de‏; Mosmann, Cleri S.

doi:10.1590/s0101-81752001000300007

Cited by 5 publications

(2 citation statements)

References 16 publications

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“…Color polymorphism in arthropods has led to confusion in the taxonomy of a variety of taxa: Cantharidae [ 34 ], Dryophthoridae [ 4 , 15 ], Silphidae [ 35 ], (all Coleoptera); Aphidae (reviewed by Lambers [ 36 ]), [ 37 ] and Cercopidae [ 38 ] (all Hemiptera) have been misidentified on the basis of coloration. Mistakes include both failures to distinguish clearly different species because of their similarity in color patterns [ 39 ] and the creation of a number of distinct species with no good reason [ 2 , 15 , 30 ]…”

Section: Discussionmentioning

confidence: 99%

Rhynchophorus palmarum in Disguise: Undescribed Polymorphism in the “Black” Palm Weevil

2015

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During studies to adapt pheromone trapping of Rhynchophorus palmarum to the special coconut growing conditions at the Colombian Pacific coast, 152 atypically-colored specimens were captured in a total collection of 53,802 of the normally completely black weevil. Five specimens had the typical coloration of Rhynchophorus ferrugineus, an invasive species recently introduced to Aruba and Curação. A regional expansion of this invasion to the South American continent was feared and all atypical specimens were submitted to taxonomic analysis. Both conventional and molecular methods were employed. Conventional taxonomics confirmed the samples as belonging to R. palmarum but registered undescribed and species-atypical morphological variability in the subgular suture (wide vs. narrow), the ratio between intraocular distance and width of antennal scrobes (>0.35 vs. < 0.29) and the indentation of the mandibles (up to three mandibular teeth vs. bilobed). Molecular analysis placed all samples inspected, black and reddish alike, firmly within the R. palmarum group and the hypothesis of having inter-specific hybrids was rejected using co-dominant single sequence repeat markers with allelic specificity for both species.

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Section: Discussionmentioning

confidence: 99%

Rhynchophorus palmarum in Disguise: Undescribed Polymorphism in the “Black” Palm Weevil

2015

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“…Mimicry (Batesian and Müllerian) in insects and its relation with aposematic colors has been studied broadly in insects (TURNER 1984(TURNER , 1987WALDBAUER 1988;EDMUNDS 2000;SRYGLEY 2004), largely in butterflies (RITLAND 1991;SMITH et al 1993;WEST 1994;OHSAKI 1995;SIM-MONS & WELLER 2002;SIMMONS & WELLER 2002;PINHEIRO 2003;NAISBIT et al 2003;FLANA-GAN et al 2004), flies (HOWARTH & EDMUNDS 2000;HOLLOWAY et al 2002;LONDT 2003;HOWARD et al 2004), beetles (FISHER & TUCKERMAN 1986;HETZ & SLOBODCHIKOFF 1988;HETZ & SLOBODCHIKOFF 1990;DEL-CLARO 1991;MACHADO et al 2001) and to some extent in hymenopterans, especially in ants (HESPENHEIDE 1986), and wasps (WALDBAUER 1985;QUICKE et al 1992;BIÈIK & LÁSKA 1997). Studies related to mimicry in bees are limited to comments on the similarity of some bees to other bees (DRESSLER 1979(DRESSLER , 1982ROUBIK 1989;MICHENER 2000), or bees to wasps and other stinging insects (EICKWORT 1969;SARMIENTO 1993;MICHENER 2000).…”

Section: Introductionmentioning

confidence: 99%

Systematics and mimicry of the genus Neocorynura: an example of two species from Central America (Hymenoptera: Halictidae)

Smith-Pardo¹

2005

Acta Zoologica Cracoviensia

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A case of probable mimicry in two species of bees in the genus Neocorynura (Neocorynura rufa MICHENER, 1954 and N. panamensis ENGEL, 1997) is described; diagnostic characters and a key to separate the species of Central American bees with black-red (aposematic) pattern of coloration are also provided. The phylogeny of selected species groups and the evolution of different mimicries in the genus are discussed.

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Analysis of the geographical variation of elytral color polymorphisms in three species of soldier beetles, Chauliognathus Hentz (Cantharidae) in southern Brazil

Machado

Valiati

2006

Rev. Bras. Zool.

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In the present report, we investigate polymorphism in three of the Brazilian species of Chauliognathus Hentz, 1930 (Coleoptera, Cantharidae), by analyzing the geographical color pattern variation of the elytra in C. flavipes, C. fallax and C. octomaculatus. These species belong to the mullerian complex called the "yellow-black". They are usually found in clusters on their host plants at various locations and present similarities in the external body morphology and in the color pattern of the elytra and the pronotum. Chauliognathus flavipes is the most common species with eight phenotypic classes followed by of C. fallax and C. octomaculatus with six and two phenotypic classes respectively. The analyses indicate a statistically significant difference in the frequencies of colour patterns of the three species over the entire area sampled. In general, the significant differences were observed between the regions of the State of Rio Grande do Sul (p < 0.05) but were not found within the individual regions except in the case of the Metropolitan region. That region and its three microregions demonstrated a positive co-relationship between an increase in altitude and the occurrence of diversity in C. flavipes and C. fallax (r = 0.860, p < 0.01; r = 0.974, p < 0.01, respectively).

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Morphometric analysis, mimicry, and color polymorphism in five species of Chauliognathus Hentz (Coleoptera, Cantharidae)

Abstract: ABSTRACT. This study presents data on morphometric variation [or length and width or elytra in live sympatric species of the genus Chauliogna/hus

Cited by 5 publications

References 16 publications

Rhynchophorus palmarum in Disguise: Undescribed Polymorphism in the “Black” Palm Weevil

Rhynchophorus palmarum in Disguise: Undescribed Polymorphism in the “Black” Palm Weevil

Systematics and mimicry of the genus Neocorynura: an example of two species from Central America (Hymenoptera: Halictidae)

Analysis of the geographical variation of elytral color polymorphisms in three species of soldier beetles, Chauliognathus Hentz (Cantharidae) in southern Brazil

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