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EN
Larvae and pupae of Macropeza albitarsis MEIGEN, 1818 are described and illustrated for the first time. Aquatic larvae with a paddle-like anal segment armed with dorsal and ventral broom hairs are good swimmers. Within the family, larvae of the genus Macropeza MEIGEN, 1818 are unique in having broom hairs on the anal segment and a pair of multiple setae p on the head.
EN
The egg, larvae and the pupae of Chironomus filitarsis (Kieffer) are described fo the first time and the imagines in both the sexes are revised. The duration of life stages a brief account of food and feeding, and emergence are also stated in this paper.
PL
Autorzy opisują nieznane dotychczas stadia rozwojowe Ch. filitarsis, jak również uzupełniają opisy imagines. Przytaczają także dane dotyczące bionomii tego gatunku.
RU
Авторы описывают не известные до настоящего времени нреимагинальные стадии Ch. filitarsis, а также дополняют описание имаго. Приводят также данные по биономии этого вида.
EN
The pupae of Alepia montana Bravo, Alepia truncata Bravo, Lago et Castro and Psychoda simillima Tonnoir, belonging to the subfamily Psychodinae, are described and illustrated. The pupae of A. montana and A. truncata were collected in tree holes in the city of San Ramón de la Nueva Orán, Province of Salta and the pupa of P. simillima in small pool on the nameless stream near El Hoyo city, Province of Chubut, Argentina. The pupa of P. simillima is similar to other pupae of the genus Psychoda Latreille, being distinguished by some features in the last segment and by respiratory trumpet. These are the first pupae described of any species of the genus Alepia Enderlein.
EN
First and last instar larva and pupa of Laccoptera foveolata (Boheman, 1856) are described in detail along with notes on the life history. The beetles were observed to breed from June to August. The host plant of the insect is Ipomoea nil (Convolvulaceae), as the entire life cycle is completed on this plant. A small, oval ootheca containing a single egg is partially covered by fecal matter. There are five larval instars; the larvae and pupa are typical for the specialized cassidines. Imagines develop in about 35-40 days from the fertilized egg deposited in the ootheca.
EN
It is the first time the mature third instar larva of Quedius brevicornis (Thomson) has been described. The redescription of the pupa of this staphylinid is also provided. A modification of the key by Kasule to some known Quedius larvae is proposed, and a key to Polish known Quedius pupae including Q. brevicornis is presented.
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