Terminal-instar larval systematics and biology of west European species of Ormyridae associated with insect galls (Hymenoptera, Chalcidoidea)

A systematic study of the genus Ormyrus (Chalcidoidea, Ormyridae) was conducted based on the morphology and biology of the terminal-instar larvae of ten west European species that are parasitoids of gall wasps and gallflies of the families Cynipidae, Eurytomidae and Tephritidae. The first detailed descriptions are provided of the terminal-instar larvae of these ten species using SEM images to illustrate diagnostic characters with systematic values. A key is provided for the identification of ormyrid larvae associated with galls in Europe, which is based particularly on characters of the head, mouthparts and mandibles. Although only limited informative variation in body shape was found, the setation of the head provided several characters of potential taxonomic value. The larval biology of the ten ormyrid species inhabiting different galls is also summarised. Although Ormyrus larvae are usually solitary idiobiont ectoparasitoids of the host larva of various gall-inhabiting insects, evidence of secondary phytophagy was observed in some species.The Spanish Ministry of Education and Science research projects CGL2010-15786/BOS and MINECO/FEDER, UE) CGL2015-66571-P to JLNA provided financial support for this paper.Peer Reviewe

New Species of the Genus Eurytoma (Hymenoptera, Eurytomidae) from Ukraine and Israel

Two new species: Eurytoma kuslitzkyi Zerova, sp. n. from Israel and Eurytoma cornuta Zerova, sp. n. from Ukraine are described. The first species belongs to the robusta species group, and differs from other species of this group by the structure of the mesosternal shelf with two projections. The second species belongs to the compessa species group and differs from all other species of this group by the sharp corn on mesopleura.Описаны Eurytoma kuslitzkyi Zerova, sp. n. из Израиля и E. cornuta Zerova, sp. n. с юга Украины. Первый вид относится к группе видов robusta, отличается от всех других видов этой группы формой мезостернального киля, несущего два выступа. Второй вид относится к группе compessa, отличается от других видов этой группы наличием высокого острого выступа на боках среднегруди

Review of palearctic ormyridae (hymenoptera, chalcidoidea), with description of two new species

A key to all Palearctic species of the genus Ormyrus Westwood is provided. Ormyrus ermolenkoi Zerova, sp. n. from Kuril Islands (Kunashir) and O. ibaraki Zerova, sp. n. from Japan (Honshu Island) are described; both species belong to the orientalis species group. The following synonymy is established: Ormyrus tschami Doganlar, 1991 = O. gratiosus hermonicus Zerova, 2003, syn. n.Приведена таблица для определения палеарктических видов рода Ormyrus Westwood. Описаны Ormyrus ermolenkoi Zerova, sp. n. с Курильских островов (о. Кунашир) и О. Шагак 2егоуа, $р. п. с Японских островов (о. Хонсю). Оба новыгх вида относятся к группе orientalis. Установлена синонимия: Ormyrus tschami Doganlar, 1991 = O. gratiosus hermonicus Zerova, 2003, syn. n

New Species of the Genus Systole (Hymenoptera, Eurytomidae) from Turkey

Приведено описание двух новых для науки видов рода Systole, а также описание самца S. brunnicornis Zerova et Gs am, описанного раннее по самке. Оба описываемых вида относятся к подроду Systole (Systole). Systole tokata Zerova et Gs am, sp. n. (типовая местность: Турция, Токат) отличается от всех известных видов данного подрода длинным стебельком у самки и массивными, квадратной формы, 2–5 члениками жгутика. Systole plana Zerova et Gs am, sp. n. (типовая местность: Турция, Токат) близка к виду S. singularis Zerova, но обличается дорсально уплощенным брюшком самки и крупным и широким в дистальной части первым члеником жгутика.Description of two new Systole species is given, as well as description of S. brun-nicornis Zerova et Gs am, described only from female. The both described species belong to subgenus Systole (Systole). Systole tokata Zerova et Gs am, sp. n. (type locality: Turkey, Tokat) differs from all known species of this subgenus by longer petiolus in female and squar 2–5 flagellar segments. Systole plana Zerova et Gs am, sp. n. (type locality: Turkey, Tokat) is near to S. singularis Zerova but differs by flat abdomen and longer and stout first flagellar segment

Systematic Position of the Genus Nikanoria (Hymenoptera, Eurytomidae), with Description of Two New Species

The genus name Nikanoria is resurrected from synonymy and considered to be separate from Bruchophagus based on analysis of morphological characters and trophic associations. Nikanoria pygmaea Zerova, sp. n. and N. deserta Zerova, sp. n. are described.На основании анализа морфологических и экологических особенностей видов рода Nikanoria отстаивается мнение о самостоятельности этого рода. Приводится описание двух новых видов — N. pygmaea Zerova, sp. n. и N. deserta Zerova, sp. n

Two New Species of the Genus Eurytoma (Hymenoptera, Eurytomidae) from Iran

Описаны два новых вида хальцидоидных наездников из Ирана: Eurytoma iranica Zerova, sp. n. (типовая местность: Иран, Сержен) и E. ghazvini Zerova, sp. n. (типовая местность: Иран, пров. Гезвин).Eurytoma iranica Zerova, sp. n. (type locality: Sirjan, Iran) and Eurytoma ghaznvini Zerova, sp. n. (type locality: Ghazvin prov., Iran) are described

A New Species of Tetramesa (Hymenoptera, Eurytomidae) from Iran

Tetramesa leucospae Zerova et Madjdzadeh, sp. n. is described from Iran (type locality: Karadi-Chalous). New species belongs to cereipes group.Описан новый вид Tetramesa leucospae Zerova et Madjdzadeh, sp. n. из Ирана (типовая местность: Каради-Халуз). Новый вид относится к группе видов cereipes

Efficiency of true-green light emitting diodes:Non-uniformity and temperature effects

External quantum efficiency of industrial-grade green InGaN light-emitting diodes (LEDs) has been measured in a wide range of operating currents at various temperatures from 13 K to 300 K. Unlike blue LEDs, the efficiency as a function of current is found to have a multi-peak character, which could not be fitted by a simple ABC-model. This observation correlated with splitting of LED emission spectra into two peaks at certain currents. The characterization data are interpreted in terms of non-uniformity of the LED active region, which is tentatively attributed to extended defects like V-pits. We suggest a new approach to evaluation of temperature-dependent light extraction and internal quantum efficiencies taking into account the active region non-uniformity. As a result, the temperature dependence of light extraction and internal quantum efficiencies have been evaluated in the temperature range mentioned above and compared with those of blue LEDs

A New Species of the Genus Ormyrus (Hymenoptera, Chalcidoidea, Ormyridae) from Yemen

Ormyrus bicolor Zeriva, sp. n. from Yemen is described. The new species belongs to diffinis group of species (female gaster without dorsal median keel).Приведено описание нового вида Ormyrus bicolor Zeriva, sp. n. из Йемена. Описанный вид относится к группе видов diffinis, у представителей которой брюшко самки лишено дорсального продольного киля