Published January 19, 2018 | Version v1
Taxonomic treatment Open

Megalybus Philippi 1865

Description

Genus Megalybus Philippi, 1865: 641.

Type species: Megalybus pictus Philippi, 1865; by present designation.

= Megalybus Westwood, 1876: 511 (posterior homonym of Megalybus Philippi, 1865). Type species: Megalybus pictus Westwood, 1876 (= Megalybus pictus Philippi, 1865); by present designation.

Refs.: Schiner, 1868: 141 (syn. of Thyllis); Reed, 1888: 15 (cat., as Thyllis); Hunter, 1901: 151 (cat., as Thyllis); Kertész, 1909: 2 (cat. as Thyllis); Cole, 1918: 64 (wing, diff. Villalus), 1919: 4,5,7,8,9 (notes); Edwards, 1930: 188 (in key), 189–191; Stuardo, 1946: 101 (cat.); Winterton et al., 2007: 812 (list); Gillung & Winterton, 2011: 24 (in key); Schlinger et al., 2013: 62 (in key).

crassus Philippi, 1865: 642, pl. XXV fig. 19.

Syntypes: female, Valdivia (no type specimens deposited in MNNC). Dist.: Valparaíso (Petorca: fundo Talanquén; Quillota: Cuesta El Melón; Valparaíso: El Salto, Rodelillo); Metropolitana (Cordillera: El Canelo, El Manzano; Santiago: El Arrayán, Lo Aguirre); Biobío (Arauco: Parque Nacional Nahuelbuta sector Cabrerío; Ñuble: Las Trancas at Puente Torrealba, Piedras Comadres, Puente Marchant); La Araucanía (Cautín: cerro Ñielol); Los Ríos (Valdivia: San Juan, Santo Domingo); Los Lagos (Llanquihue: Casa Pangue, Ensenada, Puerto Varas).

Refs.: Reed, 1888: 289 (cat., as synonym of Thyllis philippii Schiner); Hunter, 1901: 151 (cat., as synonym of Thyllis philippii Schiner); Cole, 1919: 58, 60 (original description transcribed); Edwards, 1930: 190 (fig. 12), 192 (as valid species, male, female, redescription, synonymy); Ruiz & Stuardo, 1936: 318 (distr.); Stuardo, 1946: 101 (cat., synonymy).

= Megalybus gracilis Philippi, 1865: 643. Syntypes: female, Valdivia (no type specimens deposited in MNNC). Schiner, 1868: 144 (as Thyllis); Reed, 1888: 289 (as Thyllis); Kertész, 1909: 2 (as Thyllis); Hunter, 1901: 151 (cat.); Cole, 1919: 60 (transcription of original description); Edwards, 1930: 192 (as synonym of M. crassus). = Thyllis philippii Schiner, 1868: 144. Syntypes female, Valdivia (NMW?). Reed, 1888: 289 (cat.); Hunter, 1901: 151 (cat.); Kertész, 1909: 3 (as valid species of Thyllis); Edwards, 1930: 192 (as synonym of M. crassus).

= Megalybus gracilis Westwood, 1876: 512, pl. V fig. 5 (not Philippi, 1865). Syntypes: San Juan (UMO); Kertész, 1909: 2 (as synonym of M. gracilis Philippi); Edwards, 1930: 192 (as synonym of M. crassus).

obesus Philippi, 1865: 642 –643.

Holotype: female, Corral (no type specimen deposited in MNNC, presumably lost). Dist.: Coquimbo (Elqui: La Serena); Metropolitana (Chacabuco: Caleu; Cordillera: El Canelo, El Peñón, La Obra, Reserva Nacional Río Clarillo; Santiago: Lo Aguirre—on flowers of Trevoa trinervis Miers.); Biobío (Arauco: Parque Nacional Nahuelbuta; Ñuble: Las Trancas, Los Lleuques, Puente Marchant, San Fabián de Alico—on flowers of Castanea sativ a); Los Ríos (Valdivia: Corral, San Juan); Los Lagos (Llanquihue: Casa Pangue—on flowers of Chrysantemun leucanthenum and various shrubs, Ensenada—on flowers of Berberis; Osorno: Antillanca). Argentina: Neuquén (Lago Queñi, Paso Puyehue (actually Paso Cardenal Samoré)), on flowers of Lathyrus multiceps Clos).

Refs.: Reed, 1888: 289 (cat., as Thyllis); Kertész, 1909: 3 (as Thyllis); Hunter, 1901: 151 (cat.); Cole, 1919: 60 (original description transcribed); Edwards, 1930: 1 91–192 (as Megalybus, male, female, redescription, synonymy); Stuardo, 1946: 101 (cat., synonymy); Stuardo, 1980: 97 (collect data); Devoto, 2006: 40, 69, 96 (collect data).

= Megalybus tristis Philippi, 1865: 643 –644. Syntypes: male, San Juan (no type specimens deposited in MNNC). Reed, 1888: 289 (cat., as Thyllis); Hunter, 1901: 151 (cat.); Cole, 1919: 60 –61 (original description transcribed); Edwards, 1930: 191 (as synonym of M. obesus).

= Megalybus tristis Westwood, 1876: 512 (not Philippi, 1865). Syntypes: male, San Juan (UMO); Kertész, 1909: 3 (as valid species of Thyllis); Edwards, 1930: 191 (as synonym of M. obesus).

pictus Philippi, 1865: 642.

Syntypes: Santiago, female (no type specimens deposited in MNNC). Dist.: Valparaíso (Marga Marga: Marga Marga, Parque Nacional La Campana sector Granizo; Petorca: Putaendo; Valparaíso: El Salto, San Gerónimo); Metropolitana (Chacabuco: Caleu; Cordillera: El Canelo—on flowers of Oxalis sp., El Manzano, La Obra—on Haplopappus sp., Quebrada El Purgatorio; Maipo: Rangue; Santiago: cerro La Provincia, cerro Manquehue—on flowers of Stachys albicaulis Lindl., cerro San Cristóbal, Lo Aguirre—on flowers of Trevoa trinervis Miers. and Podanthus mitiqui Lindl., Peñalolén, Santiago; Talagante: Talagante—on flowers of Azara dentata Ruiz et Pavon); O’Higgins (Colchagua: Chomedahue); Maule (Talca: Cumpeo); Biobío (Concepción: Concepción; Ñuble: Puente Marchant, Termas de Chillán); Los Ríos (Valdivia: San Juan); Los Lagos (Llanquihue: Casa Pangue, Puerto Varas; Chiloé: Castro). Argentina: Neuquén (Confluencia Traful, Lago Queñi, Lago Tromen, Paso Puyehue (actually Paso Cardenal Samoré), Villa Traful. on flowers of Budleja globosa Hope, Embothrium coccineum J. R. Forst. & G. Forst., Senecio zosterifolius Hook. et Arn.). Biology: reared from Amaurobiidae (Schlinger, 1987).

Refs.: Reed, 1888: 289 (cat., as Thyllis); Hunter, 1901: 151 (cat.); Kertész, 1909: 3 (as Thyllis); Cole, 1919: 58 (original description transcribed); Edwards, 1930: 193 (as Megalybus, synonymy, female variability); Stuardo, 1946: 101–102 (cat., synonymy); Stuardo, 1980: 97 (collect data); Devoto, 2006: 69, 96 (collect data).

= Megalybus subcylindricus Philippi, 1865: 644. Holotype: male, Valdivia, San Juan (no type specimen deposited in MNNC). Reed, 1888: 289 (cat., as Thyllis); Kertész, 1909: 3 (as valid species of Thyllis); Hunter, 1901: 151 (cat.); Cole, 1919: 61 (original description transcribed); Edwards, 1930: 193 (as synonym of M. pictus).

= Megalybus pictu s Westwood, 1876: 511, pl. V fig. 4 (not Philippi, 1865). Syntypes: female, Chile (UMO). Kertész, 1909: 3 (as synonym of M. pictus Philippi).

= Megalybus subcylindricus Westwood, 1876: 512 –513 (not Philippi, 1865). Syntypes: Valdivia (UMO); Edwards, 1930: 193 (as synonym of M. pictus).

= Megalybus gracilis Cole, 1919: 59 (fig. 1), 61–62 (misidentification, not Philippi, 1865; not Westwood, 1876); Edwards, 1930: 193 (as synonym of M. pictus).

Notes

Published as part of González, Christian R., Elgueta, Mario & Ramirez, Francisco, 2018, A catalog of Acroceridae (Diptera) from Chile, pp. 427-440 in Zootaxa 4374 (3) on pages 428-430, DOI: 10.11646/zootaxa.4374.3.6, http://zenodo.org/record/1155465

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Linked records

Additional details

Biodiversity

Collection code
MNNC
Scientific name authorship
Philippi
Kingdom
Animalia
Phylum
Arthropoda
Order
Diptera
Family
Acroceridae
Genus
Megalybus
Taxon rank
genus
Type status
syntype
Taxonomic concept label
Megalybus Philippi, 1865 sec. González, Elgueta & Ramirez, 2018

References

  • Philippi, R. A. (1865) Aufzahlung der chilenischen Dipteren. Verhandlungen der k. - k. Zoologisch-Botanischen Gesellschaft in Wien, 15, 595 - 782, pls. xxiii-xxix.
  • Westwood, J. O. (1876) Notae Dipterologicae. N ° 3. - Descriptions of new genera and species of the family Acroceridae. Transactions of the Entomological Society of London, 3, 507 - 518, pls. 5 - 6.
  • Schiner, R. J. (1868) Acroceridae. In: Reise der osterreichischen Fregatte Novara u a m die Erde in den Jahren 1857, 1858, 1859 unter den Befehlen des Commodore B. Von Wullerstorf-Urbair. Zoologischer Theil. Zweiter Band. 1. Abtheilung B. Karl Gerold's Sohn, Wien, pp. 140 - 145
  • Reed, E. C. (1888) Catalogo de los insectos dipteros de Chile. Anales de la Universidad de Chile, 73, 271 - 316.
  • Hunter, W. D. (1901) Catalogue of the Diptera of South America. Part II, Homodactyla and Mydiadae. Transactions of the American Entomological Society, 27, 121 - 155.
  • Kertesz, C. (1909) Catalogus dipterorum Hucusque Descriptorum. Vol. IV. Lipsiae, Budapestini, 348 pp.
  • Cole, F. R. (1918) A new genus of Cyrtidae from South America (Dipt.). Entomological News, 29, 61 - 64.
  • Edwards, F. W. (1930). Bombyliidae, Nemestrinidae and Cyrtidae. Diptera of Patagonia and South Chile, Part V (Fascicle 2), 162 - 197.
  • Stuardo, C. (1946) Catalogo de los dipteros de Chile. Ministerio de Agricultura, Impresiones Universitaria, Santiago, 250 pp.
  • Winterton, S. L., Wiegmann, B. M. & Schlinger, E. I. (2007) Phylogeny and bayesian divergence time estimations of small-headed flies (Diptera: Acroceridae) using multiple molecular markers. Molecular Phylogenetics and Evolution, 43, 808 - 832. https: // doi. org / 10.1016 / j. ympev. 2006.08.015
  • Gillung, J. P. & Winterton, S. L. (2011) New genera of philopotine spider flies (Diptera, Acroceridae) with a key to living and fossil genera. Zookeys, 127, 15 - 27. https: // doi. org / 10.3897 / zookeys. 127.1824
  • Schlinger, E. I., Gillung, J. P. & Borkent, C. J. (2013) New spider flies from the Neotropical Region (Diptera, Acroceridae) with a key to New World genera. ZooKeys, 270, 59 - 93. https: // doi. org / 10.3897 / zookeys. 270.4476
  • Cole, F. R. (1919) The Cyrtid genera Thyllis and Megalybus. The Canadian Entomologist, 51 (1), 54 - 62. https: // doi. org / 10.4039 / Ent 5154 - 3
  • Ruiz, P. F. & Stuardo O. C. (1936) Insectos colectados en las Termas de Chillan. Revista Chilena de Historia Natural, 39, 313 - 322. [1935]
  • Stuardo, C. (1980) Notas biologicas sobre Acroceridae de Chile (Diptera). Revista Chilena de Entomologia, 10, 97.
  • Devoto, M. (2006) Interacciones planta - polinizador a lo largo de un gradiente ambiental: una aproximacion en escala de comunidad. Tesis de Magister, Universidad de Buenos Aires, Area Recursos Naturales, Escuela para Graduados Alberto Soriano, Facultad de Agronomia, Buenos Aires, 116 pp.
  • Schlinger, E. I. (1987) The biology of Acroceridae (Diptera): True endoparasitoids of spiders. In: Nentwig, W. (Ed.), Ecophysiology of Spiders. Springer-Verlag, Berlin, pp. 319 - 327. https: // doi. org / 10.1007 / 978 - 3 - 642 - 71552 - 5 _ 24