Tribe Idiosystanini Emeljanov, 1995

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Family Delphacidae Leach 1815

Subfamily Asiracinae Motschulsky, 1863: 108.

Tribe Idiosystanini Emeljanov 1995: 780.

The tribe was named by Emeljanov (1996) (first published in 1995 in Russian), although he attributed the name to Asche (1985; possibly referring to ‘idio-systati’ label used in the figure on page 264, as opposed to the ‘Asiracii’ within the Euasiracina).  Asche (1985) defined the characters of this group, but didn’t actually name it.  The name should be attributed to Emeljanov (1995: 780), despite Emeljanov’s attribution to Asche.

I will present the features of the tribe here sometime in the future.

The tribe includes 3 genera, all New World, as follows:

A detailed look at the features of the subfamily Asiracinae is here.

Idiosemus xiphias

New World Species

Idiosemus Berg, 1883
= Stenosystatus Muir, 1930; syn. by Fennah, 1965: 251.

Idiosemus  xiphias (Berg, 1879) – Argentina, Chile, Uruguay
= Liburnia xiphias Berg, 1879.
= Idiosemus xiphias (Berg, 1879); new comb. by Berg, 1883.
= Stenosystatus anonymi Muir, 1930 ; syn. by Fennah, 1965: 251.

Idiosystatus acutiusculus Idiosystatus acutiusculus

Idiosystatus Berg, 1883
Idiosystatus acutiusculus (Spinola, 1852) – Argentina, Chile
= Delphax acutiuscula Spinola, 1852.
= Idiosystatus acutiusculus (Spinola, 1852); new comb. by Berg, 1883: 231.

Idiosystatus australis Fennah, 1969 – Argentina

Idiosystatus fuscoirroratus (Spinola, 1852) – Chile
= Delphax fuscoirrorata Spinola, 1852.
= Liburnia fuscoirrorata (Spinola, 1852); comb. by Berg, 1881.
= Megamelus fuscoirroratus (Spinola, 1852); new comb. by Crawford, 1914: 632.
= Delphacodes fuscoirrorata (Spinola, 1852); new comb. by Muir, 1926: 38.
= Idiosystatus fuscoirroratus (Spinola, 1852) new comb. by Fennah, 1969: 50-51.
= Delphax vittata Spinola, 1852 (nec. Stal, 1862); syn by Fennah, 1969: 50-51.
= Delphacodes vittata (Spinola, 1852); new comb. by Muir, 1926: 38.

Idiosystatus  gubernator Fennah, 1969 – Argentina

Idiosystatus  longifrons Fennah, 1969 – Chile

Pentagramma vittatifrons Pentagramma vittatifrons

Pentagramma Van Duzee, 1897
= Bergia Scott, 1881; syn. by Asche, 1985: 283.
= Bergias Kirkaldy, 1904; nom. nov. for Bergia Scott, 1881; syn. by Asche, 1985: 283.
= Lepticus Crawford, 1914; syn. by Muir, 1926: 3.

Pentagramma bivittata Crawford, 1914 – USA: OH, KS, NE, TX; Nicaragua; Guyana; Netherlands Antilles; Puerto Rico; Trinidad

Pentagramma cosquina Penner, 1947 – Argentina, Uruguay

Pentagramma douglasensis Penner, 1947
= Pentagramma variegata Penner, 1947; syn. by Hedrick-Zeller and Wilson 2010: 234-236.
USA: IL, IN, KS, MI, MN, MO, MS, MT, NM, NY, OR, SD, UT; CAN: SK, MB (also reported BC, ON, NS, possibly in error)

Pentagramma longistylata Penner, 1947 – USA: OK, TX (also reported FL, MT probably in error).

Pentagramma lueri Campodonico, 2017 – Chile (Also Argentina)

Pentagramma nigrifrons Muir, 1934 – Argentina, Brazil

Pentagramma nimbata (Berg, 1879) – Argentina
= Liburnia nimbata Berg 1879.
= Bergia nimbata (Berg, 1879); new comb. by Scott, 1881: 155.
= Bergias nimbata (Berg, 1879); new comb. by Muir, 1926: 36.
= Pentagramma nimbata (Berg, 1879); new comb by Asche, 1985: 283 by implication.

Pentagramma vittatifrons (Uhler, 1876: 351) – USA: CO, IA, ID, IL, IN, KS, MA, MD, MI, MS, MT, ND, NE, NJ, NM, NY, OH, SD, TX, UT, VA, WA, WY; CAN: AB, MB, SK
= Liburnia vittatifrons  Uhler 1876: 351.
= Pentagramma vittatifrons (Uhler 1876); comb. by Van Duzee 1897: 260.

Selected references

Asche, M. 1985a. Zur Phylogenie der Delphacidae Leach, 1815 (Homoptera: Cicadina: Fulgoromorpha). Marburger Entomologische Publikationen 2(1):1-398 and 2(2): 399-910.

Barringer, L. E. and C. R. Bartlett. 2011. A review of New World Asiracinae (Hemiptera: Auchenorrhyncha: Delphacidae) with five new taxa. Cicadina 12: 7-39.

Bartlett, C. R., L. B. O’Brien and S. W. Wilson. 2014. A review of the planthoppers (Hemiptera: Fulgoroidea) of the United States. Memoirs of the American Entomological Society 50: 1-287.

Berg, C. 1879. Hemiptera. Argentina. (Continuacion.). Anales de la Sociedad Cientifica Argentina 8: 178-192.

Berg, C. 1881b. Sinonimia y descripcion de algunos Hemípteros de Chile, del Brasil y de Bolivia. Anales de la Sociedad Científica Argentina 12: 259-272.

Berg, C. 1883b. Addenda et Emendanda ad Hemiptera Argentina (Continuatio.) Anales de la Sociedad Cientifica Argentina 16: 231-241.

Campodonico, J. F. 2017. A new species of Pentagramma Van Duzee (Hemiptera: Delphacidae: Asiracinae) from Chile, with notes on the host relations of the Idiosystatini Emeljanov. Zootaxa 4291(3). doi: http://dx.doi.org/10.11646/zootaxa.4291.3.

Crawford, D. L. 1914a. A contribution toward a monograph of the homopterous insects of the family Delphacidae of North and South America. Proceedings of the United States National Museum 46: 557-640, plus 6 plates. (Pentagramma on p. 565).

Emeljanov, A. F. 1996 (1995). On the question of the classification and phylogeny of the Delphacidae (Homoptera, Cicadina), with reference to larval characters. Entomological Review 75(9): 134-150 (originally published Entomologicheskoe Obozrenie 1995, 74(4): 780-794; page references above are to the Russian version].

Fennah, R. G. 1965. Fulgoroidea from Southern Chile (Hemiptera). Bulletin of the British Museum (Natural History) Entomology 17: 233-272.

Fennah, R. G. 1969. A revision of the Idiosystatus Berg (Homoptera: Fulgoroidea, Delphacid). Proceedings of the Royal Entomological Society of London 38(3-4): 47-52.

Hedrick-Zeller, M. M. and S. W. Wilson. 2010. The planthopper genus Pentagramma in the United States: morphology of the male and female genitalia (Hemiptera: Delphacidae). Journal of the Kansas Entomological Society 83(3): 231-239.

Leach, W. E. 1815a. Entomology. The Edinburg encyclopedia; conducted by David Brewster 9: 57-172. (family Delphacidae page 125).

Metcalf, Z. P. 1923a. A key to the Fulgoridae of Eastern North America with descriptions of new species. Journal of the Elisha Mitchell Scientific Society 38: 139-230. (see, e.g., p. 166)

Metcalf, Z. P. 1943. General Catalogue of the Hemiptera. Fascicle IV, Fulgoroidea, Part 3, Araeopidae (Delphacidae). Smith College, Northhampton, Massachusetts. (Pentagramma entry begins on. 47.)

De Motschulsky, V. I. 1863. Essai d’un catalogue des insectes de l’ile de Ceylan. Bulletin de la Société Impériale des Naturalistes de Moscou 36: 1-153. (Delphacidae p. 108)

Muir, F.A.G. 1926b. Contributions to our knowledge of South American Fulgoroidea (Homoptera). Part I. The Family Delphacidae. Experiment Station of the Hawaiian Sugar Planters’ Association, Entomological Series, Bulletin 18:1-51, plates 1-5.

Muir, F.A.G. 1930f. On some South American Delphacidae (Homoptera, Fulgoroidea). Entomologisk Tidskrift 51(3-4): 207-215.

Muir, F. A. G. 1934. New and little-known Fulgoroidea (Homoptera). Annals and Magazine of Natural History (Series 10) 14: 561-58

Penner, L. R. 1947. Some notes on the genus Pentagramma and four new species. Journal of the Kansas Entomological Society 20(1): 30-39.

Scott, J. 1881d. On certain South American Delphacidae. Entomologist’s Monthly Magazine 18: 154-156. [Bergia n. gen.; 1 n. sp. Euides.]

Spinola, M. 1852a. Tribu IV.-Hipocefalocera. Gay’s Historia fisica y politica de Chile. Paris. 7:238-305, plate 3. (whole volume, courtesy Memoria Chilena).

Uhler, P. R. 1876. List of Hemiptera of the Region West of the Mississippi River, including those collected during the Hayden Exploration of 1873. Bulletin of the United States Geological and Geographical Survey of the Territories 1(5): 269-361.

Van Duzee, E. P. 1897a. A Preliminary Review of the North American Delphacidae. Bulletin of the Buffalo Society of Natural Sciences 5(5): 225-261. (Pentagramma on p. 260)

Wilson, S. W. and A. G. Wheeler, Jr. 1986. Pentagramma longistylata (Homoptera: Delphacidae): Descriptions of immature stages. Journal of the New York Entomological Society 94(1): 126-133.

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