Abstract
A survey for Dipterous flies was conducted in 3 private sheep's' farms and 3 governmental slaughter houses at Abu Arish, Alquayiyah, (Eastern Jazan); Duhaygah and Mihliyah (Northern Jazan); Mizhirah and Industrial City (Southern Jazan). Each locality was visited weekly to collect the flies using aerial sweeping net. A total of 5312 specimens consisting of 12 species, 1 subspecies within 8 genera, belonging to 7 families: Calliphoridae, Sarcophagidae, Muscidae, Ceratopogonidae, Utilidae, Sphaeroceridae, and Chloropidae were recorded. Among the total flies collected in all localities Coproica vegans (Haliday) was the most abundant species followed by Anatricus erianceus Loew and they represented 72.74% and 21.71% of the total collection, respectively. On the other hand, Culicoides imicola Kieffer, Sarcophaga ruficornis (Fabricius) and Musca lucidula (Loew) were recorded in few numbers and they represented 0.09%- 0.1% of the total collection. Physiphora alceae (Preyssler) and Musca sorbens Wiedemann were recorded only from slaughter houses. In addtion, Sarcophaga dux Thompson is recorded for the first time from Jazan during the present investigation. For accurate location of sampling sites, details of the selected area such as longitude, latitude and altitude were computed using the global positioning system (GPS).
Highlights
Jazan region, occupying an area of about 40,000 km2, and it stretches along the coastline of the Red Sea
The results of this study revealed that, 5312 flies, Fig 2 (2180 from farms, Fig.3 and 3132 from slaughter houses, Fig. 4) belonging to 12 species, 1 subspecies, 8 genera and 7 families: Calliphoridae, Sarcophagidae, Muscidae, Ceratopogonidae, Utilidae, Sphaeroceridae, and Chloropidae were recorded (Table, 3)
According to their importance to livestock, the flies were categorized into the following groups: 1) flies causing myiasis, Chrysomya albiceps (Wiedemann), Chrysomya marginalis (Wiedemann), Sarcophaga ruficornis (Fabricius), Sarcophaga dux Thompson, and Wohlfahrtia indigens Villeneuve; 2) haemtophagous flies, Musca lucidula (Loew), and Culicoides imicola Kieffer; 3) dung decomposing flies, Physiphora alceae (Preyssler), Anatrichus erianceus Loew, and Coproica vegans (Haliday); 4) nonbiting Muscid flies (Musca domestica Linnaeus, Musca domestica calleva Walker and Musca sorbens Wiedemann) that visit manure and decaying organic material to feed and oviposit
Summary
Jazan region, occupying an area of about 40,000 km, and it stretches along the coastline of the Red Sea. Ministry of Agriculture gave several reports on a variety of infectious and noninfectious diseases which affect the economic production of livestock, but with very little attention to the vectors transmit or cause these diseases. Dipterous flies are the most important arthropod vectors of animal diseases causing severe economic losses (Mellor et al, 2000; Heath 2002; Williams, 2009; and Barin et al, 2010), only some information on the occurrence of these flies in Jazan region are included in separated investigations that carried out by Hilali et al (2003), and Dawah and Abdullah (2006). The present study aimed to establish the prevalence of dipterous flies associated with sheep's in Jazan. The first international Conference of Biological Sciences 27-29-Sep. 2010 Cairo – Egypt
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