ArticleNeotropical entomology2020
Natural Enemies of the Harrisia Cactus Mealybug and Other Hypogeococcus Species (Hemiptera: Pseudococcidae) in Puerto Rico: Identification and Taxonomic Notes on Primary and Secondary Parasitoids.
Article in Neotropical entomology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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10 authors.
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Abstract
Primary and secondary parasitoids of Hypogeococcus spp. (Hemiptera: Pseudococcidae) on Cactaceae, Amaranthaceae, and Portulacaceae were reported from field surveys conducted in Puerto Rico, USA, since 2009. Resident natural enemies of the Harrisia cactus mealybug (HCM), Hypogeococcus sp., which is devastating native cacti in Puerto Rico and threatening cacti in the adjacent Caribbean islands, were documented prior to the planned introductions of non-native biological control agents from South America against this pest. Two species of Encyrtidae (Hymenoptera: Chalcidoidea) were recorded as primary parasitoids of the HCM on Cactaceae: Leptomastidea hypogeococci Triapitsyn, which was the most common, and Anagyrus quilmes Triapitsyn, Logarzo & Aguirre. Another primary parasitoid, Acerophagus sp. near nubilipennis Dozier (Encyrtidae), was also reared from a different Hypogeococcus sp. on Amaranthaceae and Portulacaceae. Hyperparasitoids, usually via L. hypogeococci, included Prochiloneurus narendrani Noyes & Triapitsyn (Encyrtidae), Pachyneuron sp. (Hymenoptera: Pteromalidae), Chartocerus elongatus (Girault), and Chartocerus niger (Ashmead) (Hymenoptera: Signiphoridae). Cheiloneurus chrisiantorresi Triapitsyn sp. n. (Encyrtidae) is newly described and illustrated; its status as a suspect hyperparasitoid of Hypogeococcus sp. on Amaranthaceae and Portulacaceae, along with that of Cheiloneurus sp., will need to be verified. The recorded HCM predators include one species of Chamaemyiidae (Diptera), Leucopina bella (Loew), and three species of Coccinellidae (Coleoptera): Cryptolaemus montrouzieri Mulsant, Decadiomus austrinus (Gordon), and Scymnobius flavifrons (Melsheimer).
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