Abstract Fruit flies (Diptera: Tephritidae) are among the most serious agricultural pests globally, causing significant economic losses in fruit production and posing major quarantine concerns for many countries. Bactrocera zonata , one of harmful species family Tephritidae, has recently established Iraq. Entomopathogenic nematodes (EPNs) potential EPNs can be used as vital tools integrated pest management (IPM) programs both organic conventional systems. In our study, three – two native...

Labrys khuzestanensis n. sp. was recovered from the rhizosphere of a palm tree in southwestern Iran and described using morphological molecular data. The new species characterized by combination following features: its 590-675 μm long body, finely annulated cuticle light microscopy (LM), lateral field with two smooth incisures, cephalic region dorso-ventrally flattened protuberant, elongate laterally extended labial plate, appearing V-shaped piece view, amphidial openings as longitudinal...

Summary Deladenus hebetocaudatus n. sp. was recovered from rotten wood samples of a dead broad-leaved forest tree, collected forests the city Savadkooh, northern Iran. It described and illustrated using morphological partial SSU rDNA data. Females new species were mainly characterised by their 540-625 μ m long body conical tail with wide blunt mucron-like differentiation at tip. They further eight lines in lateral fields, 8.5-9.5 stylet, pharyngo-intestinal junction level nerve ring, vulva...

Summary Pauronemoides lorestanensis n. sp., the fifth species of newly established genus , is described and illustrated based on morphological, morphometric molecular data. The new was recovered from a soil sample collected rhizosphere grasses in Lorestan province. It characterised by having medium-sized body (868-1092 μ m, females; 714, 710 males), four incisures lateral fields, asymmetrical knobs stylet, vulva at 87.9-90.2%, post-vulval uterine sac (PUS) absent, intestine with extension...

Summary A new species of the rare leptonchid genus Aculonchus collected from two natural habitats northern Iran, is characterised, including morphological description, morphometrics and molecular (18S, 28S rDNA) study. fumanensis sp. nov. distinguished by its 0.64-0.92 mm long body, cuticle tylencholaimid with abundant radial refractive elements, lip region cap-like, 9.5-10 μ m wide offset deep constriction, stylet 26-32 long, odontophore bearing distinct basal flanges, neck 145-177...

Abstract A population of Oscheius insectivorus was recovered from inside the body a live scarab beetle collected natural forests Jafar Abad village, Golestan province, and reported Iran for first time. The Iranian isolate species is characterized by 1103–1942 μm long females with their vulva at 46.9–57.4% body, tail 75–118 long, males spicules 60.0–74.5 gubernaculum 23.7–32.2 infective juveniles measuring 790–985 long. Females had shorter when compared type population. Molecular...

Trichodorus variabilis , recovered from three separate locations in natural forests of northern Iran, was studied using morphological, morphometric and molecular data. Variation position the ventromedian cervical papillae (CP1 CP2) with respect to onchiostyle base resting position, spicule characters (having or lacking striation distal blade region bristles proximal region) were observed. also observed nature pharyngo-intestinal junction (offset slight overlapping). The secretory-excretory...

Abstract The box tree moth (BTM), Cydalima perspectalis and the fall webworm (FWW), Hyphantria cunea are two invasive pests of forest trees that have been recorded from Hyracinan forests in north Iran for first time 2016 2002, respectively. In a search tentative native entomopathogenic nematode species (EPNs) with potential biocontrol ability against lepidopteran Iran, Oscheius myriophilus was isolated by soil-baiting method Amlash east Gilan province. Iranian isolate this is characterized...

Cryptaphelenchus varicaudatus n. sp. is described and illustrated. It was isolated from bark samples of dead or dying pine (Pinus spp.) trees with beetle frass galleries, in Tehran province. The new species has 275- to 367-µm-long females (a medium-sized species) distinctly annulated cuticle having three bands lateral fields, lip region continuous body contour, delicate knobbed stylet, monodelphic-prodelphic reproductive system distinct spermatheca, short postvulval uterine sac (PUS),...

Three populations of Xiphinema primum n. sp. and two X. pachtaicum were recovered from natural forests cultural regions northern Iran. Both species belong to the americanum-group characterized by their morphological, morphometric molecular data. The new species, which was in three locations, belongs brevicolle-complex is 2124-2981 μm long females with a widely rounded lip region separated rest body depression, 103-125 odontostyle, equally developed genital branches endosymbiont bacteria...

Lelenchus brevislitus n. sp. is described and illustrated based on morphological, morphometric molecular data. The new species characterised by having females with slender, 452-488 μm long, body lateral field vestigial as a plain simple band under scanning electron microscopy (SEM) in vulval region absent proximal distal ends, cephalic short, ca 2 high, conical truncate anterior end view SEM, dorso-ventrally flattened, amphidial pouches pocket-shaped large light (LM), their apertures short (...

Ektaphelenchus berbericus n. sp. was recovered from soil samples collected in eastern Iran and is described illustrated based on morphological, morphometric molecular data. The new species characterised by having female body 512-691 μ m long, lip region separated rest of a shallow depression, lips equally sized, 19-22 long stylet with wide lumen lacking knobs or swellings at its base, cuticle fine, but distinct transverse annuli three lines lateral field, excretory pore located base...

Paralongidorus iranicus n. sp., a new bisexual species of the genus, is described and illustrated by light microscopy, scanning electron microscopy molecular studies from specimens collected in rhizosphere Scots pine ( Pinus sylvestris ) Caspian (Khazar) seashore, Nour, northern Iran. sp. characterised large body size (7.8-11.4 mm), rounded lip region, clearly set off collar-like constriction at level of, or slightly posterior to, amphidial aperture, bearing very large, stirrup-shaped,...

Ektaphelenchoides sylvestris sp. nov. is described and illustrated. The new species was recovered from the galleries of bark beetles a dead Pinus L. tree characterized by females with 644–843 µm long body, lip region 7.5–9.0 wide, separated rest body shallow constriction, stylet 18–23 long, excretory pore 72–85 far anterior end, postuterine sac short, 5–11 male absence. By having short sac, comes close to four known genus namely E. attenuata, musae, pini wintert.

Abstract One new and one known species of the genus Aphelenchoides from Iran are studied. giblindavisi n. sp. is mainly characterized by having five lines in lateral fields at mid-body, a single mucro with several tiny nodular protuberances, giving warty appearance to it, as revealed detailed scanning electron microscopic (SEM) studies. The further body length 546 795 μm females 523 679 males, rounded lip region separated rest shallow depression, 10 11 long stylet small basal swellings, its...

Aphelenchoides primadentus n. sp. is described and illustrated based on its morphological, morphometric molecular characters. It was recovered from natural forests of northern Iran in association with mosses. The new species characterised by body length 502-613 μ m females 461-564 males, presence three lines the lateral fields, a low lip region slightly offset shallow depression, 11.1-13.8 long stylet females, conus being longer than shaft (m = 53.0-68.5) bearing well-developed, rounded...

Abursanema iranicum n. gen., sp. is described and illustrated based on morphological, morphometric molecular characters. The new genus characterized by its smooth outer annulated inner cuticle, having two incisures in lateral field, lacking stylet knobs, pyriform terminal bulb with stem-like extension projecting into the intestine of bursa male. belongs to family Paurodontidae. It most closely resembles genera Paurodontoides Paurodontus, but has affinities male characters Gymnotylenchus...

Discopersicus iranicus n. gen., comb., previously described from Iran as a new species under the genus Discotylenchus, is illustrated using light microscope and scanning electron (SEM) observations further studied molecular characters. SEM studies revealed newly proposed has oblique amphidial apertures on lateral sides of lip region. images are also provided for two namely D. discretus brevicaudatus, first study genus. These results confirmed longitudinal aperture type region in noted by...

Abstract Two new amphimictic species, Rotylenchus iranicus n. sp. and R. conicaudatus sp., are described. is characterised mainly by an offset hemispherical lip region with 5-6, rarely 7, annuli, stylet 39-44 μ m long, vulva located at 53-65% rounded tail 4-9 annuli typical smooth tip. Morphologically this species related to montanus , provincialis aqualamus . a slightly conoid-rounded four or five, six 27-32 52-63% 10-16 annulated pumilus abnormecaudatus acuspicaudatus The results of the...

Devibursaphelenchus kheirii sp. n. is described and illustrated based on morphological, morphometric molecular data. The new species characterised by females with 370-472 μm body length, lip region separated from the a shallow constriction, three lines in lateral field, stylet short, 13.5-15.0 long, lacking basal knobs or swellings, excretory pore posterior to metacorpus, vulval flap absent, post-uterine sac without sperm, rectum anus obscure, end of elongate-conoid finely rounded terminus....

Summary Basilaphelenchus persicus n. gen., sp. is described and illustrated based on morphological molecular phylogenetic studies. The new genus belongs to the family Aphelenchoididae characterised mainly by small body size of females (297-393 μ m) males (304-331 m), high cephalic region in both sexes, fine 5.5-7.8 m long stylet that barely visible mounted specimens yet clear fresh individuals, with a linear conus weak shaft ending three elongate, posteriorly directed, knobs, spherical...