Biogeography of Delphacid Planthoppers - Entomology - College of Agriculture & Natural Resources

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

Beamer, L. D. 1946. I’ll tell you how! Journal of the Kansas Entomological Society 19(4): 127-129.

Borror, D. J., C. A. Triplehorn, and N. F. Johnson. 1989. An Introduction to the Study of Insects, sixth edition. Saunders College Publishing, Philadelphia, PA. xiv + 875 pp.

Emeljanov, A. F. 1999. Notes on delimitation of families of the Issidae group with description of a new species of Caliscelidae belonging to a new genus and tribe (Homoptera, Fulgoroidea). Zoosystematica Rossica 8(1): 61-72.

Fennah, R.G. 1984. Revisionary notes on the classification of the Nogidinidae (Homoptera: Fulgoroidea), with descriptions of a new genus and a few species. Entomologist's Monthly Magazine 120: 81-86.

Holzinger, W.E., Kammerlander, I., Nickel, H. 2003. The Auchenorrhyncha of Central Europe - Die Zikaden Mitteleuropas. Volume 1: Fulgoromorpha, Cicadomorpha excl. Cicadellidae. Brill Publishers, Leiden. 673 pp. 1566 drawings, 46 Plates.

Metcalf, Z. P. 1938. The Fulgorina of Barro Colorado and other parts of Panama. Bulletin of the Museum of Comparative Zoology, Harvard Coll. 82: 277-423.

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This project was supported by the USDA Agriculture and Food Research Initiative Competitive Grants Program Grant No. 2009-55605-05006 from the National Institute of Food and Agriculture. (Formerly National Research Initiative of the USDA Cooperative State Research, Education and Extension Service (CSREES)). Continuing support is from USDA NIFA Hatch Project W3185: Biological Control in Pest Management Systems of Plants.

Biogeography

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Delphacid planthoppers are diverse in all biogeographic ecozones.

The current pattern appears to be that delphacids are most diverse in the Palearctic; however, this is probably an artifact. The Palearctic region is also where the taxonomy of delphacids is most studied and best known. Delphacids probably are most species rich in the moist tropics, but they are also very porrly known in the tropics.

Below is a table (updated from Asche 1985) summarizing the biogeographic distribution of delphacid planthoppers.

Geographic distribution of Delphacini (from Asche, 1985: 336) based on 229 genera, 1403 species.
Faunal Region	# Genera	# Species	%
Paleartic	114	388	27.7
Nearctic	33	271	19.3
Pacific	42	268	19.1
Indomalayan	69	230	16.4
Afrotropical	52	206	14.7
Neotropical	29	181	12.9
Australian	29	51	3.7
S. Atlantic	4	9	0.6
Totals sum to greater than 100% due to species found in multiple regions.

In the U.S., the Delphacidae are more species rich in the south, with Florida exhibiting the highest species richness. Delphacids are relatively species poor in the northwest; however, collecting effort and reporting is very uneven and incomplete.

Distribution of Delphacidae in the U.S.

Distribution of the Delphacidae in the U.S. (From Bartlett et al. in review)

References

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