Herpetacanthus stenophyllus (Acanthaceae), a New Species from Costa Rica

Pleodendron costaricense (CanellaCeae), a new speCies for Costa riCa

Pleodendron costaricense, a very rare, lowland rainforest tree known from southern Pacific Costa Rica is described and illustrated. Its only congener, P. macranthum, grows about 2000 km to the northeast, in Puerto Rico. The only other member of the family Canellaceae known from Central America is the mostly West Indian, Canella winterana, which reaches the Yucatan Peninsula of Mexico. rEsumEn. ...

New species of Potamocoris Hungerford (Heteroptera, Potamocoridae) from Costa Rica and a key to the species .

A new potamocorid species, Potamocoris sitesi NEW SPECIES, with its two wing morphs (coleopteroid and macropterous) are described from Costa Rica.  Descriptions are supported with photographs and illustrations. Parameres become progressively narrower, ending in a sharp needle-like point. This is the third species of Potamocoris known from Central America. A key to the species of the genus is pr...

Two new species and a new combination in Protium (Burseraceae) from Costa Rica

Two new species of Protium (Burseraceae) are described and illustrated: Protium aguilariisp. nov., from the Pacific slope of the Osa Peninsula, Puntarenas Province, Costa Rica; and Protium hammeliisp. nov., from wet forests on the Caribbean slopes of Nicaragua and Costa Rica. In addition, Protium brenesiicomb. nov., is proposed as a new combination based on Trichilia brenesii, a name that was b...

A food plant specialist in Sparganothini: A new genus and species from Costa Rica (Lepidoptera, Tortricidae)

Sparganocosma docsturnerorum Brown, new genus and new species, is described and illustrated from Área de Conservación (ACG) in northwestern Costa Rica. The new genus shares a long, crescent- or ribbon-shaped signum in the corpus bursae of the female genitalia with Aesiocopa Zeller, 1877, Amorbia Clemens, 1860, Amorbimorpha Kruse, 2011, Coelostathma Clemens, 1860, Lambertiodes Diakonoff, 1959, P...

A New Hypatopa from Costa Rica (Gelechioidea: Coleophoridae: Blastobasinae)