Results 191 to 200 of about 17,818 (234)
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Reflection properties of Scarabaeidae
SPIE Proceedings, 2005Beetles of the scarab family have been found to reflect circularly polarized light from incident unpolarized light. There are many known animals that use polarized light in some form and several that actually create it, but there are few examples of the creation of circularly polarized light in nature.
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NEW SPECIES OF BOLBOCEROSOMA (SCARABAEIDAE)
The Canadian Entomologist, 1924The generic name Bolbocerosoma was proposed by Mr. Schæffer in 1906 (Trans. Amer. Ent. Soc., XXII, pp. 250-254) to take care of the species Scarabaeus forcuts Fabricius and its supposed synonym tumefactus Beauvois. Oddly enough, the misgivings of M. Beauvois.
R. W. Dawson, J. W. Mccolloch
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Evolution of the Scarabaeini (Scarabaeidae: Scarabaeinae)
Systematic Entomology, 2004Abstract. A phylogenetic analysis of the Scarabaeini, based on 244 morphological characters, including 154 multistate and three biological characters, is presented. Tree topologies generated from unweighted data and some weighted algorithms are similar and support only two clades in the tribe representing the ...
Shaun A. Forgie +2 more
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Astroorientation inLethrus (Coleoptera, Scarabaeidae)
Journal of Comparative Physiology ? A, 19771. Providing the nest with vegetable food,Lethrus performs repeated excursions of about l m from the hole and returns home. 2. Homing by the straight line,Lethrus walks in compass direction toward the nest; the distance traveled is equal to the estimated distance to the hole, and in a case of faultLethrus begins the circling search ...
L. Frantsevich +7 more
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2022
The optomotor response (OMR) was measured by the modified method of Hassenstein. The OMR was observed at angular velocities of 0.5???5500?? per. sec. The optimal frequency of contrast was 3???5 sec????? . The sensitivity to rotating patterns was similar in frontal, middle, and hind parts of an eye. Every eye ensures a half of the turning command.
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The optomotor response (OMR) was measured by the modified method of Hassenstein. The OMR was observed at angular velocities of 0.5???5500?? per. sec. The optimal frequency of contrast was 3???5 sec????? . The sensitivity to rotating patterns was similar in frontal, middle, and hind parts of an eye. Every eye ensures a half of the turning command.
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2023
?????????????? ?????????????????????? ???????????????????? ?? ???????? ?????????? ?????????????????????????????? (??????????????????, 1976), ???????????? ???????????????? ?? ???????????????????? ?????????? ???????????????????? ?????????????? ???????????? ????????????. ???????? ?????????????????? ???????????? ?? ?????????????? ??????????????????, ???????
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?????????????? ?????????????????????? ???????????????????? ?? ???????? ?????????? ?????????????????????????????? (??????????????????, 1976), ???????????? ???????????????? ?? ???????????????????? ?????????? ???????????????????? ?????????????? ???????????? ????????????. ???????? ?????????????????? ???????????? ?? ?????????????? ??????????????????, ???????
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2023
Larvae of Aphodius planicollis Men., Amphicoma arctos Pall., Ansioplia signata Fald., Tanyproctus persicus Fald. are described. They are compared with larvae of other species known before.
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Larvae of Aphodius planicollis Men., Amphicoma arctos Pall., Ansioplia signata Fald., Tanyproctus persicus Fald. are described. They are compared with larvae of other species known before.
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Systematic Entomology, 2005
Abstract. To reconstruct the phylogeny of the Sericini and their systematic position among the scarabaeid beetles, cladistic analyses were performed using 107 morphological characters from the adults and larvae of forty‐nine extant scarabaeid genera. Taxa represent most ‘traditional’ subfamilies of coprophagous
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Abstract. To reconstruct the phylogeny of the Sericini and their systematic position among the scarabaeid beetles, cladistic analyses were performed using 107 morphological characters from the adults and larvae of forty‐nine extant scarabaeid genera. Taxa represent most ‘traditional’ subfamilies of coprophagous
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2023
A new species of the Pachydeminae subfamily is described and the new genus Kryzhanovskia gen. n. is determined for it. The genus is characterized by the following features: the last segment of maxillary palps is long, narrow, without a fossa on top; antennae are ten-segment with a six-segment club (Fig.
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A new species of the Pachydeminae subfamily is described and the new genus Kryzhanovskia gen. n. is determined for it. The genus is characterized by the following features: the last segment of maxillary palps is long, narrow, without a fossa on top; antennae are ten-segment with a six-segment club (Fig.
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Coleopteran Pests: Family Scarabaeidae
2020This chapter studies Coleopteran pests. The larvae of turfgrass-infesting species of the family Scarabaeidae constitute a large complex whose members (white grubs) are similar in general appearance, in habits, and in the turfgrass damage they cause.
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