Examination of Coccinellidae material recently collected from Napo Province in Ecuador revealed 38 species ladybird beetles, which six are new: Chnoodes yanayacu sp. nov., Cyrea mcclarini Eupalea borowieci Exoplectra misahualli Hyperaspis rutai Toxotoma gonzalezi nov. Seven recorded for the first time Ecuador: noticollis (Mulsant, 1850), formosa Mulsant, 1850, Epilachna transverselineata (Mader...

Crapemyrtle bark scale, Acanthococcus (=Eriococcus) lagerstroemiae (Kuwana) (Hemiptera: Eriococcidae), is a newly introduced insect pest on crapemyrtles, Lagerstroemia spp. (Myrtales: Lythraceae), one of the most popular flowering shrubs in the U.S. Since first detected in Texas in 2004, this pest has spread to twelve states causing losses to stakeholders. To develop a management plan, we revie...

The invasive polyphagous cotton mealybug, Phenacoccus solenopsis Tinsley has emerged as a serious sucking pest of cotton. laboratory and field bioassays seven selected insecticides belonging to five toxicant groups were evaluated against P. their most abundant natural predators, Chrysoperla carnea (Steph.) Hyperaspis vinciguerrae Capra. Based on the toxicity index toxic group under conditions w...

In this paper, I review the effects of diet ladybirds on chemical defence in group beetles. The tendency to reflex bleed and diversity autogenously produced alkaloids different taxa may be evolutionarily related likelihood food limitation. Within predatory species, both prey quantity quality have been shown affect autogenous alkaloid production. A few ladybird predators suggested adaptively seq...

A review of the Neotropical Coccinellidae in Prague Museum, also including to a lesser extent material from other collections, has led description 14 new species Brazil, Ecuador, Panama, Peru, and Venezuela, two combinations 16 first records for countries. The described are Cyrea napoensis, Dilatitibialis manaus (Brachiacanthini), Neaporia chucanti, Prodilis saopaulo, P. pastaza qedi (Cephalosc...

An extensive survey was carried to study the diversity of predators associated with mealybug complex in cassava growing districts viz., Salem, Namakkal, Erode, Tiruppur and Coimbatore Tamil Nadu, India from January September, 2021. The revealed dominance Phenacoccus manihoti Matile-Ferrero 1977 (Hemiptera: Pseudococcidae) than other species all surveyed districts. incidence P. ranged 12 90 per ...