Mariel E. Guala

FuEDEI (Fundación para el Estudio de Especies Invasivas)

Cactoblastis cactorum's unintended arrival to Florida and its expansion in North America represent a threat to Opuntia‐based agriculture and natural ecosystems in the United States and Mexico. Apanteles opuntiarum attacks C. cactorum and is a potential biocontrol agent due to its specificity, wide distribution and occurrence. Laboratory rearing met...

Three species of the sawfly genus Heteroperreyia Schrottky are now known to feed on Schinus spp. (Anacardiaceae): H. jorgenseni (Jörgensen), H. hubrichi Malaise, and H. kava Smith, n. sp. All occur from southeastern Brazil to northeastern Argentina. The species separation is supported by the description, illustrations, and genetic differences inclu...

Cactoblastis cactorum (Berg) (Lepidoptera: Pyralidae) is native to South America and has been used successfully as a biocontrol agent against invasive species of Opuntia (Cactaceae). After its release in the Caribbean, it entered North America, dispersed to southeastern USA, and may reach Mexico threatening native cacti biodiversity and industry ba...

Classical biological control –or biocontrol- is a form of pest management comprising the release of specialized natural enemies (biocontrol agents) of an exotic pest. Classical biocontrol agents are scientifically selected from among the natural enemies the pest has in its native region. However biological control is firmly resisted in many countri...

The type specimens (all current categories) of Staphylinidae deposited in this Museum are listed; names are recorded, most of them represented by name-bearing types (primary types). The specific and subspecific names are alphabetically ordered in a single list, followed by the generic names (and subgeneric ones, if they were stated) spelled as they...

The cactus moth, Cactoblastis cactorum (Berg) (Lepidoptera: Pyralidae), is a pest that threatens native Opuntia spp. in North America. Control tactics developed and implemented against this invasive pest successfully eradicated the moth in Mexico and on barrier islands in the United States. However, with the cancellation of the regional management...

The type specimens (all current categories) of Elateridae deposited in this Museum are catalogued: twenty-four names are recorded. The specific names are alphabetically entered a single list, followed by the generic ones in their original spellings. An account of the types actually here deposited follows, with a description of all the labels. Later...

Two new species of Anaptomecus Simon, 1903 are described based on males and females from Ecuador: A. paru sp. nov., from Santo Domingo, Santo Domingo de Tsáchilas, and A. suni sp. nov., from Puerto Napo, Napo. Both species share with other Anaptomecus species the following characters: an elongated opisthosoma; male palp with U-shaped sperm duct loo...

The MACN’s Collections Digitization Project began in 2008 as the first initiative of the kind for the institution. Its main purpose is to convert registers of specimens held in the museum from paper to digital format and to make the information available for the rest of the scientific community.