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Distribution patterns in the larvae of two chironomid species with contrasting ecological traits, Ckironomus anthracinus Zetterstedt and Procladius signatus (Zetterstedt), were examined by taking replicate samples from Lough Neagh, Northern Ireland. The two species showed clear differences in...
A new genus of baetid mayflies is described, the adults closely related to the carnivorous genus Centroptiloides but the nymphs with mandibles of the ancestral grinding type. Two species formerly included in Afroptilum are transferred to Dicentroptilum, A. decipiens and A. spinulosum. A new...
Neotelmatoscopus ctenophorus a remarkable new non‐Phlebotomine psychodid collected from the Kolli hills, Salem District, Tamil Nadu, India is described. A key is provided to the known species of Neotelmatoscopus
Descriptions of the hitherto unknown second instar larva of Sisyra fuscata (Fabricius, 1793) and of the first to third instar larva and pupa of Sisyra terminalis Curtis, 1854 are presented. The most important diagnostic features are illustrated, and some taxonomic, zoogeographical and ecological...
Selected internal and external structures of the head of larvae of Hydrotrupes palpalis Sharp are examined, described and interpreted phylogenetically. The results suggest a sistergroup relationship between Hydrotrupes and the remaining Dytiscidae excl. Copelatini. Therefore, Hydrotrupes should...
The South African species Cloeodes inzingae (Crass) is redescribed as adults and larvae based on newly found material. This species is most closely related to far eastern Palaearctic (China) and Oriental (Sri Lanka) species rather than Neotropical species. The presence of Cloeodes in the...
Two species of Anacroneuria occur on the islands of Trinidad and Tobago. A. aroucana Kimmins, 1948, appears to be endemic to Trinidad while A. isleta sp. n., occurs on Tobago. Both A. isleta and A. aroucana appear to have sister species on the South American mainland.
The psychomyiid caddis fly Tinodes waeneri (L.) mated on a shrub near the shore‐line (and the littoral emergence site) and on adjacent flowers. Both males and females were shown to ingest nectar, from different species of flowers having open nectaries (mostly of the family Apiaceae). Male fat...
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