New additions to the crabronid fauna of the Arabian Peninsula and Saudi Arabia (Hymenoptera: Apoidea (Spheciformes): Crabronidae), new distribution records and new species.

The present study is based on specimens collected in coffee orchards on the mountains in the Jazan Province (southwestern Saudi Arabia) using Malaise traps. The genera Carinostigmus Tsuneki, 1954, and Polemistus de Saussure, 1892 are first recorded for the Arabian Peninsula, each with a single species. Three new species: Bembecinus similis Gadallah & Edmardash, Crossocerus arabicus Gadallah & Edmardash, and Oxybelus coffeae Edmardash & Gadallah are described and illustrated.

Further addition to the crabronid fauna of Saudi Arabia (Hymenoptera: Apoidea (Spheciformes): Crabronidae), with new genera and species records, and the description of two new species.

The present study is based on specimens collected from the Farasan Archipelago (southwestern Saudi Arabia), and Sala Mountain (Jazan) using Malaise traps. Eleven species in six genera and two subfamilies (Bembicinae, Crabroninae) are recorded. The genera Ammatomus A.

First contribution to the doryctine fauna (Hymenoptera, Braconidae, Doryctinae) of Farasan Archipelago, Saudi Arabia, with new records and the description of a new species.

The doryctine wasp species (Hymenoptera: Braconidae) of Farasan Archipelago (Saudi Arabia) are studied here for the first time. Six species are reported, of which Edmardash, Gadallah & Soliman is described and illustrated as a new species. sp.

The first survey of the beetles (Coleoptera) of the Farasan Archipelago of the southern Red Sea, Kingdom of Saudi Arabia.

The Farasan Archipelago is a group of small coral islands and islets in the southern Red Sea, offshore of the southwestern Kingdom of Saudi Arabia (KSA). These islands are internationally important as breeding sites for turtles and bird species and regionally for its threatened, rare, and endemic flora and other fauna. The beetles (Coleoptera) of the Archipelago have not been previously surveyed.

Synthesis, reactions and biological evaluation of some new naphtho[2,1-b]furan derivatives bearing a pyrazole nucleus.

Vilsmeier formylation of 2-(1-phenylhydrazonoethyl)naphtho[2,1-b]furan (2) gave 3-naphtho[2,1-b]furan-2-yl-1-phenyl-1H-pyrazole-4-carbaldehyde (3), which was reacted with C- and N-nucleophiles to afford naphthofuranpyrazol derivatives 4-8. Treatment of 2-[(3-(naphtho[2,1-b]furan-2-yl)-1-phenyl-1H-pyrazol-4-yl)methylene]-malononitrile (4a) with reactants having active hydrogen and Et₃N gave the corresponding pyrazoline, pyran and chromene addition product derivatives 10, 12 and 13, consisting of three different connected heterocyclic moieties. Reaction of 1-((3-(naphtho[2,1-b]furan-2-yl)-1-phenyl-1H-pyrazol-4-yl) methylene)-2-phenylhydrazone (6b) with AcONa and ethyl bromoacetate or chloroacetone afforded the thiazolidinone and methylthiazole derivatives 14 and 15, respectively.