Cryptocercus

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African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society

12 Novels Considered the “Greatest Book Ever Written”

Marriage. A couple getting married during a church wedding ceremony. (religion, ceremony, bride, groom)

The Seven Sacraments of the Roman Catholic church

Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)

7 of the World’s Deadliest Shipwrecks

Small, white rat (genus Rattus) on a glass table. (rodent, laboratory, experiment)

Cruel and Unusual Punishments: 15 Types of Torture

Hemp (Cannabis sativa).

9 Mind-Altering Plants

Battle of the Alamo from "Texas: An Epitome of Texas History from the Filibustering and Revolutionary Eras to the Independence of the Republic, 1897. Texas Revolution, Texas revolt, Texas independence, Texas history.

6 Wars of Independence

Cryptocercus

insect genus

Learn about this topic in these articles:

cockroaches

In cockroach: Family Cryptocercidae
…consists of a single genus, Cryptocercus, is the cockroach group most closely related to termites. The brown-hooded cockroach (C. punctulatus) digests wood with the aid of certain protozoans in its digestive tract.
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division of labor among hymenopterans

In Hymenoptera: Division of labor
The Cryptocercus and Cephalotes ants, for example, make nests in hollow stems of plants, then bore a circular entrance that remains under constant surveillance by special guards whose heads are modified into pluglike structures that fit the entrance. Each guard is relieved after several hours and…
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