Polyancistrus serrulatus

Physical characteristics: The body is usually brown, sometimes green, and measures 1.4 to 2.5 inches (35 to 65 millimeters) in length. Both males and females have a hoodlike plate on top of their mid-section. The female's ovipositor is long and sword-shaped.

Geographic range: This species is found in the Dominican Republic (Hispaniola).

Habitat: They live in trees and tall bushes.

Diet: They eat the leaves, fruits, and flowers of a wide variety of plants.

Behavior and reproduction: These hooded katydids are active at night. Both males and females produce loud calls. They spend their days in rolled-up leaves or under loose strips of tree bark. Females most likely lay their eggs in soil.

Hooded katydids spend their days in rolled-up leaves or under loose strips of tree bark. (Illustration by Bruce Worden. Reproduced by permission.)

Hispaniola hooded katydids and people: This species does not impact people or their activities.

Conservation status: This species is not endangered or threatened. As with most species living in tropical rainforests, they may become threatened by the destruction of their habitat. ■



Capinera, J. L., C. W. Scherer, and J. M. Squitier. Grasshoppers of Florida. Gainesville: University Press of Florida, 2001.

Helfer, J. R. How to Know the Grasshoppers, Crickets, Cockroaches, and Their Allies. New York: Dover Publications, 1987.

Meads, M. Forgotten Fauna: The Rare, Endangered, and Protected Invertebrates of New Zealand. Wellington: DSIR Publications, 1990.

Preston-Mafham, K. Grasshoppers and Mantids of the World. London: Blandford, 1990.

Tavoloacci, J., ed. Insects and Spiders of the World. New York: Marshall Cavendish, 2003.


Moffett, M. W. "Wetas-New Zeland's Insect Giants." National Geographic 180, no. 5 (November 1991): 101-105.

Web sites:

"Chinese Cricket Culture." Cultural Entomology Digest 3 http://www .insects.org/ced3/chinese_crcul.html (accessed on September 21, 2004).

"Grasshoppers and crickets (Orthoptera)." Gordon's Orthoptera Page. http://www.earthlife.net/insects/orthopta.html (accessed on September 21, 2004).

"Grasshoppers and Relatives." Biokids Critter Catalog. http:// www.biokids.umich.edu/critters/information/Orthoptera.html (accessed on September 21, 2004).

"Orthoptera. Grasshoppers, crickets, locusts, katydids." Ecowatch. http://www.ento.csiro.au/Ecowatch/Orthoptera/orthoptera.htm (accessed on September 21, 2004).

Compact discs:

Songs of Crickets and Katydids of the Mid-Atlantic States. An Identification Guide. Hershey, PA: Will Hershberger and Steve Rannels, 1998.


"Crickets, Grasshoppers and Friends." Bug City. Wynnewood, PA: Schlessinger Media, 1998.



Class: Hexapoda

Order: Mantophasmatodea

Number of families: S families

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