ABSTRACT
The Asiatic Kuwana pine mealybug, Crisicoccus pini (Kuwana, 1902) (Hemiptera, Pseudococcidae), is reported in Italy for the first time. It was detected in September 2015 on maritime pine, Pinus pinaster, and stone pine, Pinus pinea, trees growing in the town of Cervia (Ravenna Province), Northern Italy. The mealybug has caused yellowing and decline of the pine trees. Pinus pinea is recorded here as a new host for C. pini.
Subject(s)
Hemiptera/classification , Pinus/parasitology , Plant Diseases/parasitology , Animal Distribution , Animal Structures/anatomy & histology , Animal Structures/growth & development , Animals , Body Size , Female , Forests , Hemiptera/anatomy & histology , Hemiptera/growth & development , Italy , Organ SizeABSTRACT
Among the Nearctic species of Phenacoccus (Hemiptera: Pseudococcidae), Phenacoccus solani Ferris and P. defectus Ferris are morphologically similar and it can be difficult to separate them on the basis of microscopic morphological characters of the adult female alone. In order to resolve their identity, a canonical variates morphological analysis of 199 specimens from different geographical origins and host plants and a molecular analysis of the COI and 28S genes were performed. The morphological analysis supported synonymy of the two species, as although the type specimens of the "species" are widely separated from each other in the canonical variates plot, they are all part of a continuous range of variation. The molecular analysis showed that P. solani and P. defectus are grouped in the same clade. On the basis of the morphological and molecular analyses, P. defectus is synonymized under the senior name P. solani, syn. n.
Subject(s)
Hemiptera/classification , Animal Distribution , Animal Structures/anatomy & histology , Animal Structures/growth & development , Animals , Body Size , Female , Hemiptera/anatomy & histology , Hemiptera/genetics , Hemiptera/growth & development , Insect Proteins/genetics , Male , Organ Size , PhylogenyABSTRACT
Pseudococcus comstocki (Hemiptera: Pseudococcidae) is a mealybug species native to Eastern Asia and present as an invasive pest in northern Italy and southern France since the start of the century. It infests apple and pear trees, grapevines and some ornamental trees. Biocontrol programmes against this pest proved successful in central Asia and North America in the second half of the 20th century. In this study, we investigated possible biocontrol agents against P. comstocki, with the aim of developing a biocontrol programme in France. We carried out systematic DNA-barcoding at each step in the search for a specialist parasitoid. First we characterised the French target populations of P. comstocki. We then identified the parasitoids attacking P. comstocki in France. Finally, we searched for foreign mealybug populations identified a priori as P. comstocki and surveyed their hymenopteran parasitoids. Three mealybug species (P. comstocki, P. viburni and P. cryptus) were identified during the survey, together with at least 16 different parasitoid taxa. We selected candidate biological control agent populations for use against P. comstocki in France, from the species Allotropa burrelli (Hymenoptera: Platygastridae) and Acerophagus malinus (Hymenoptera: Encyrtidae). The coupling of molecular and morphological characterisation for both pests and natural enemies facilitated the programme development and the rejection of unsuitable or generalist parasitoids.
Subject(s)
Hemiptera/parasitology , Insect Control/methods , Parasites/classification , Pest Control, Biological/methods , Animals , Biological Control Agents , DNA Barcoding, Taxonomic , France , Host-Parasite Interactions , Parasites/isolation & purification , Parasites/physiology , Phylogeny , Population ControlABSTRACT
This paper presents an updated checklist of the Greek scale insect fauna and the results of the first zoogeographic analysis of the Greek scale insect fauna. According to the latest data, the scale insect fauna of the whole Greek territory includes 207 species; of which 187 species are recorded from mainland Greece and the minor islands, whereas only 87 species are known from Crete. The most rich families are the Diaspididae (with 86 species), followed by Coccidae (with 35 species) and Pseudococcidae (with 34 species). In this study the results of a zoogeographic analysis of scale insect fauna from mainland Greece and Crete are also presented. Five species, four from mainland Greece and one from Crete are considered to be endemic. Comparison with the scale insect fauna of other countries is provided.
Subject(s)
Animal Distribution , Hemiptera/classification , Animals , Checklist , Greece , Hemiptera/physiologyABSTRACT
The first-instar nymph, second- and third-instar female nymphs and the adult female of Kermes echinatus Balachowsky (Hemiptera, Coccoidea, Kermesidae) are described and illustrated; micrographs of morphological details are also provided. The species was collected on the island of Crete (Greece) and on mainland Greece, new localities for this species, and are compared with Israeli specimens from where it was originally described.
Subject(s)
Hemiptera/classification , Nymph/anatomy & histology , Animal Distribution , Animal Structures/anatomy & histology , Animal Structures/growth & development , Animals , Body Size , Female , Greece , Hemiptera/anatomy & histology , Hemiptera/growth & development , Male , Nymph/classification , Nymph/growth & development , Organ SizeSubject(s)
Hemiptera/anatomy & histology , Hemiptera/classification , Terminology as Topic , AnimalsABSTRACT
Three new coccid species, namely Hadzibejliaspis ferenci Pellizzari n. sp., Lecanopsis sicula Pellizzari n. sp. and L. salvatorei Pellizzari n. sp. are described and illustrated. Identification keys for the genera in the subfamily Eriopeltinae Sulc and to species in the genera Hadzibejliaspis Koteja and Lecanopsis Targioni Tozzetti are provided.
Subject(s)
Hemiptera/anatomy & histology , Hemiptera/classification , Animal Distribution , Animals , Female , Hemiptera/physiology , Italy , Species SpecificityABSTRACT
We give some simple rules on Latin grammar to help scale insect systematists to apply the correct adjectival gender endings to species names. We list some common errors that have occurred when species names have either been proposed with a wrong gender ending or when they have been transferred from one genus to another. We also correct the gender endings to several species names in a few families.
Subject(s)
Hemiptera/classification , Terminology as Topic , Animals , Female , MaleABSTRACT
The adult female and first-instar nymph of a new species of armoured scale insect, Poliaspoides bambusae sp.n. (Diaspididae), is described and illustrated. The new species was collected in Turkey on imported ornamental Bambusa siamensis (Poaceae) from an unknown source.
Subject(s)
Bambusa/parasitology , Hemiptera/classification , Animal Structures/anatomy & histology , Animal Structures/growth & development , Animals , Body Size , Female , Hemiptera/anatomy & histology , Hemiptera/growth & development , Introduced Species , Organ Size , TurkeyABSTRACT
A new species of soft scale insect from Mexico, Toumeyella fontanai Kondo & Pellizzari sp. nov. is des-cribed and illustrated. A taxonomic key to the species of scale insects of the genus Toumeyella Cockerell known in Mexico is provided.
Uma nova espécie de coccídeo do México, Toumeyella fontanai Kondo & Pellizzari sp. nov., é descrita e ilustrada. Uma chave taxonômica para separar as espécies de cochonilhas do gênero Toumeyella Cockerell que ocorrem no México é fornecida.
