Studies on the Circulatory System of Adult Beetles Blaps sulcata Laporte and Blaps polychresta Forskal (Coleoptera, Tenebrionidae) | ||||
| Alexandria Journal of Agricultural Sciences | ||||
| Article 2, Volume 66, Issue 4, August 2021, Page 91-98 PDF (836.31 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/alexja.2021.199877 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| Abdel- Moneim H. El-Zoheiry; Salah El Din I. Osman | ||||
| Zoology Department, Faculty of Science, Alexandria University, Egypt. | ||||
| Abstract | ||||
| The aim of the present study is to describe the anatomy and histology of heart, alary muscles, pericardial cells, fat body and hemocytes of aduit beetles, Blaps sulcata and Blaps polychresta. The dorsal vessel in both beetles Blaps sulcata Laporte and Blaps polychresta Forskal is made up of an elongated aorta extending along the thorax and head regions. The six chambers of the heart together with the six pairs of alary muscles are present in the abdominal region. Darkly pigmented, oval or rounded – shaped and mono or binucleated pericardial cells are present in the pericardial sinus, on each side of the heart. The haemolymph is colourless and undergoes coagulation in both beetles. Four types of the haemocytes in Blaps sulcata have been distinguished namely, prohaemocyts, plasmatocytes, granulocytes and oenocytoids. In smears of blood of Blaps polychresta, and in sections of fat body of this beetle, adipose cells were observed fixed to fat body lobes in addition to the four types previously mentioned in Blaps sulcata. | ||||
| Keywords | ||||
| Blaps spp; heart; pericardial cells; haemocytes; fat body; alary muscles | ||||
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