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Characterization of arthropod assemblage supported by the Chinese Tallow tree (Sapium sebiferum) in southeast Texas.
The Texas Journal of Science; 11/1/2004; Hartley, Maria K. DeWalt, Saara Rogers, William E. Siemann, Evan; 5233 words
; Abstract. -- Arthropod abundance, species richness and trophic structure were measured on the introduced species Chinese Tallow tree (Sapium sebiferum (L.) Roxb.) in southeast Texas. Samples were collected using sweep nets between June and October of 2001. A total of 811 individuals and 160
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SOIL AND SOIL MITES (Acari) OF THE SKI SLOPE IN NÍZKE TATRY MTS
Ekológia; 1/1/2005; Kalúz, Stanislav; 4920 words
; Abstract Kalz S.: Soil and soil mites (Acari) of the ski slope in Nzke Tatry Mts. Eklogia (Bratislava), Vol. 24, No. 2, 200-213, 2005. During the years 1996-1998 the attention was paid on the ski slope in Jasn (Nizke Tatry Mts). Using the method of soil samples the basic soil characters and soil
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"Nymphes plissées" structure of the cuticle of juveniles of some oribatid mites (Acari: Oribatida)
European Journal of Entomology; 7/25/2007; Smrz, Jaroslav; 2946 words
; Key words. Oribatida, cuticular layers, cerotegument, staining, light microscopy, TEM Abstract. The cuticular structure of juveniles of several oribatids of different families with wrinkled cuticles were compared: Hermannia gibba, Tectocepheus velatus, Scutovertex minutus, Achipteria coleoptrata
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Arthropod prey of Wilson's Warblers in the understory of Douglas-fir forests.(Report)
The Wilson Journal of Ornithology; 12/1/2007; Hagar, Joan C. Dugger, Katie M. Starkey, Edward E.; 5877 words
; Food availability is a basic, critical habitat component that often limits reproductive success and survival of breeding birds (Martin 1987, Rodenhouse and Holmes 1992). Distribution and abundance of food have been correlated with population size of birds and are major factors in habitat selection
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Experimental tests of effects of plant productivity and diversity on grassland arthropod diversity.
Ecology; 9/1/1998; Siemann, Evan; 8131 words
; INTRODUCTION Darwin (1859) hypothesized that higher trophic levels enhance the diversity of lower trophic levels by preventing competitive dominance by one or a few species. Theoreticians have formalized his conjectures (e.g., Cramer and May 1972, Roughgarden and Feldman 1975, Levin et al. 1977,
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Ultrastructure of male genital system and spermatozoa of a Mexican camel-spider of the Eremobates pallipes species group (Arachnida, Solifugae).
Journal of Arachnology; 5/1/2005; Klann, Anja E. Peretti, Alfredo V. Alberti, Gerd; 3526 words
; ABSTRACT. The male genital system of Solifugae is divided into three different parts: a) a common genital chamber, b) the paired tubular vasa deferentia and c) the long, thin testes. On each side, the vas deferens splits into two smaller branches resulting in the thin, extremely long testes such
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First ultrastructural observations on the tarsal pore organ of Pseudocellus pearsei and P. Boneti (Arachnida, Ricinulei).
Journal of Arachnology; 5/1/2005; Talarico, Giovanni Palacios-Vargas, Jose G. Silva, Mariano Fuentes Alberti, Gerd; 3539 words
; ABSTRACT. Due to their relative rareness and restricted distribution, little is known about the ultra-structure of ricinuleids. In particular, sense organs have not been the subject of electron microscopic research until now. Ricinuleids use their forelegs to explore their surroundings with
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Structure of the cuticle of some ptyctimine oribatids (Acari: Oribatida)
European Journal of Entomology; 1/1/2005; Smrz, Jaroslav; 2913 words
; Key words. Cuticular layers, cerotegument, light microscopy, TEM, Acari, Oribatida, Euphthiracaroidea, Phthiracaroidea Abstract. The cuticle of Rhysotritia duplicita (Euphtiracaroidea: Euphtiracaridae), Phthiracarus sp., Steganacarus magnus, S. striculus and Tropacarus carinatus (all
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Types of haemocytes in saprophagous soil mites (Acari: Oribatida, Acaridida), and the correlation between their presence and certain processes within mites
European Journal of Entomology; 1/1/2006; Smrz, Jaroslav; 2359 words
; Key words. Microanatomy, TEM, haemocytes, transport of enzymes, metabolites, resorption of yolk, Oribatida, Acaridida Abstract. The microanatomy of several oribatid and one acaridid mite was studied to determine the role of free cells (haemocytes) in mites. Mites from the field as well as
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