Biology of Laboratory-Reared Lonomia Obliqua (Lepidoptera: Saturniidae)

Abstract

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A hidden deadly venomous insect: First eco-epidemiological assessment and risk mapping of lonomism in Argentina

“…Considering that high humidity is essential for the development of L . obliqua [ 35 , 52 ], and for a better understanding of the water partitioning between surface and atmosphere, we evaluated the variability of precipitation and evapotranspiration in areas with the presence of Lonomia spp. Our results revealed a seasonal pattern for both variables, with the highest values concentrated in the hottest months of the year (when larvae and adults can be found), and the lowest values in the coldest months (when pupation probably occurs).…”

“…It is also encouraging to compare the average monthly temperature obtained here with that found by Garcia [ 34 ] for the southern region of Brazil in months with the greatest notification of lonomic accidents; all these values are in the temperature range used for laboratory-rearing of L . obliqua [ 35 , 52 ].…”

“…According to previous studies, the most common host trees for L. achelous and L. obliqua caterpillars are Schefflera morototoni [62] and Platanus acerifolia [52], respectively. In line with the fact that Lonomia caterpillars are quite polyphagous [63], we could verify their presence on S. morototoni and several other plant species, but not yet on P. acerifolia, even though this tree is common in some places of Misiones [64].…”

Lonomia obliqua Walker, 1855 (Lepidoptera: Saturniidae): first report in the Zona da Mata Mineira region, Southeast Brazil

“…obliqua requires attention from the public health organs, since the number of victims is increasing in the rural and also in urban areas (Lorini 1999;Lorini et al 2007). According to Pinto et al (2010), in the rural areas the cases are poorly reported and, therefore this numbers are greatly underestimated.…”

O genoma de um baculovírus isolado de cadáveres de larvas de Lonomia obliqua (Lepidoptera: Saturniidae) : uma lagarta de interesse médico

“…Ainda, apresentam acentuado dimorfismo sexual, e devido ao hábito noturno, sua cópula ocorre à noite, com acasalamentos que chegam a durar mais de 10 horas. Posteriormente, ovopositam sobre troncos de árvores, e mantêm-se no estágio de ovo por um período que pode variar de 17 a 30 dias (Lorini 2005 Lonomia obliqua possui hábito gregário durante cinco instares do desenvolvimento larval (Figura 3), vivendo em colônias com mais de 50 indivíduos sobre o tronco de diversas árvores de cujas folhas se alimentam, com suas cabeças apontando para fora em relação ao grupo, e, caso venham a ser perturbadas, tornam-se ativas e movimentam-se em linha (Lorini et al 2007). Durante o período noturno, sobem os galhos mais altos em busca de alimento, e durante o dia permanecem agrupadas e camufladas nas partes mais inferiores e sombreadas dos troncos das árvores, fato esse que facilita a ocorrência dos acidentes com humanos (Lorini 1999).…”