Journal of Hymenoptera Research
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jhr.pensoft.net
Journal of Hymenoptera Research
@jhr.pensoft.net
72 followers 36 following 43 posts
An open-access online journal published by @pensoft.net on behalf of the International Society of Hymenopterists.

Website: jhr.pensoft.net
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jhr.pensoft.net
A new potter wasp species is described from Anhui, China. Find out more about it here: doi.org/10.3897/jhr....

#wasps #newspecies #taxonomy
November 14, 2025 at 8:51 AM
jhr.pensoft.net
An analysis of community-wide relationships between plants and Andrena bees in the Cazorla mountain range, a biodiversity hotspot in southeastern Spain: doi.org/10.3897/jhr....

@cmhmaliani.bsky.social @j-valverde.bsky.social @alexnunez23.bsky.social @unisevilla.bsky.social #bees #phylogeny
November 12, 2025 at 3:02 PM
jhr.pensoft.net
We've been meeting so many cool people at #EntSoc25! Here is our author Alfred Daniel Johnson - he published an article on the parasitoids of Delta dimidiatipenne nests a few years ago available here doi.org/10.3897/jhr....
November 12, 2025 at 8:29 AM
jhr.pensoft.net
Three new wasp species of the genus Psen are described from China. See more here: doi.org/10.3897/jhr....

#taxonomy #wasps #Hymenoptera
October 31, 2025 at 1:27 PM
jhr.pensoft.net
A comprehensive taxonomic revision and identification key for the seven species of Western Palearctic Leptopilina, a genus of parasitic wasps that primarily target Drosophilidae larvae: doi.org/10.3897/jhr....

#biocontrol #DNAbarcoding #taxonomy
October 27, 2025 at 3:31 PM
jhr.pensoft.net
A new sawfly species is described and illustrated from China's Zhejiang Province. This is the third Platycampus species recorded in China.

See more here: doi.org/10.3897/jhr....

#newspecies #Hymenoptera #taxonomy
October 27, 2025 at 11:19 AM
jhr.pensoft.net
Six new wasp species from China are described. Find out more about them here: doi.org/10.3897/jhr....

#wasps #taxonomy #Hymenoptera
October 24, 2025 at 3:05 PM
jhr.pensoft.net
A revision of the Western Palaearctic species of the Darwin wasp genus Orthocentrus with yellow or ivory marks on the vertex: doi.org/10.3897/jhr....

#biodiversity #wasps #newspecies
October 16, 2025 at 11:38 AM
jhr.pensoft.net
A study to resolve the nomenclature of Smith’s Bombus flavifrons taxon: doi.org/10.3897/jhr....

#bees #bumblebees #taxonomy @paulwilliamsnhm.bsky.social @corysheffield.bsky.social
October 16, 2025 at 11:21 AM
jhr.pensoft.net
Four new species of ichneumonid wasps belonging to the subgenus Ischyracis are described from Uganda - find out more about them here: doi.org/10.3897/jhr....

#wasps #taxonomy #parasitoids
October 2, 2025 at 2:18 PM
jhr.pensoft.net
A new species of mining bee is described and illustrated from northern Sardinia, Italy. Find out more about it here: doi.org/10.3897/jhr....

#DNAbarcoding #bees #pollinators
September 19, 2025 at 1:49 PM
jhr.pensoft.net
Meet 𝐻𝑒𝑖𝑛𝑟𝑖𝑐ℎ𝑖𝑒𝑙𝑙𝑢𝑠 𝑛𝑎𝑡𝑔𝑒𝑜!

A newly discovered species of parasitoid wasp published in JHR and named in honour of the National Geographic Society, "whose legacy of exploration, conservation, and storytelling has inspired thousands of people": blog.pensoft.net/2025/09/17/a...
September 17, 2025 at 11:45 AM
jhr.pensoft.net
An investigation into the usurpation behavior of the hornet Vespa basalis in nests of V. velutina: doi.org/10.3897/jhr....

#hornets #parasitism #wasps
September 15, 2025 at 10:08 AM
jhr.pensoft.net
Three new species of the parasitoid wasp genus Heinrichiellus are described from India and Thailand. See more about them here: doi.org/10.3897/jhr....

#wasps #newspecies #phylogeny @gavinbroad.bsky.social @mfnberlin.bsky.social
September 10, 2025 at 1:41 PM
jhr.pensoft.net
The parasitoid wasp genus Lemophagus is reported for the first time from India, along with the description of a new species. Find out more here: doi.org/10.3897/jhr....

#parasitoids #phylogeny #taxonomy
September 9, 2025 at 1:40 PM
jhr.pensoft.net
A new host association is reported between the families Platygastridae and Cecidomyiidae, with Synopeas ruficoxum as the second reported parasitoid of the soybean gall midge Resseliella maxima.

Read more here: doi.org/10.3897/jhr....
August 27, 2025 at 8:08 AM
jhr.pensoft.net
An investigation on the effects on the nesting success of intercalary cells, diameter and vestibular length of nests in the solitary wasp Anterhynchium flavomarginatum: doi.org/10.3897/jhr....

@uni-freiburg.de @smnstuttgart.bsky.social @mcorr.bsky.social #wasps #Hymenoptera #insects‬
August 21, 2025 at 2:45 PM
jhr.pensoft.net
For the first time, the presence of several pollinating and non-pollinating fig wasps is documented on the Iberian Peninsula: doi.org/10.3897/jhr.... @ua.es #alienspecies #wasps #pollinators ‪
Close-up photo of a parasitic wasp viewed from the side. The wasp is golden-brown in color with large reddish compound eyes, segmented antennae, and transparent wings folded over its back. A black scale bar indicating "1 mm" provides a size reference against the white background.
July 22, 2025 at 8:21 AM
jhr.pensoft.net
А study of the hymenopteran parasitoid complex from the families Braconidae, Eulophidae and Pteromalidae of the pine bark beetle (Cryphalus fulvus) developing on Japanese red pine (Pinus densiflora) in South Korea, with the description of one new species: doi.org/10.3897/jhr....
Close-up photo of a small parasitic wasp with a body length of approximately 1 mm. The wasp has a yellowish-brown thorax and darker brown abdomen, with transparent, iridescent wings. Its segmented antennae are visible, and it is mounted on a white surface.
July 21, 2025 at 12:38 PM
jhr.pensoft.net
The Eastern Palaearctic species of the parasitoid wasp genus Tetramopria are reviewed, with new descriptions and records an an updated key: doi.org/10.3897/jhr....

#parasitoids #wasps #Hymenoptera @davidnotton.bsky.social
June 27, 2025 at 12:36 PM
jhr.pensoft.net
A new ceraphronid wasp species is described in a review of the subgenus Larsoceraphron. Find out more about it here: doi.org/10.3897/jhr....

#taxonomy #wasps #Hymenoptera @leibnizlib.bsky.social
Close-up photo of a small parasitic wasp mounted on a white triangular platform. The wasp has a shiny black body with a large, bulbous, and glossy abdomen featuring translucent golden-brown areas. Its wings are transparent with visible venation and are folded over its back. The legs are yellowish-brown, and the antennae are long, segmented, and appear in the inset for detailed view. A scale bar in the lower right corner indicates 250 micrometers.
June 13, 2025 at 11:07 AM
jhr.pensoft.net
A study of the nesting habits, colony composition and reproductive status of the plant-ant Cladomyrma sirindhornae in the wet and dry seasons in Thailand: doi.org/10.3897/jhr....

#ants #Formicidae #insects
A collage of four close-up images labeled A to D showing interactions between ants and plant stems.
June 13, 2025 at 7:21 AM
jhr.pensoft.net
New study confirms that the braconid wasp Doggerella (Lelejobracon) chasanica parasitizes immatures of the longhorn beetle Monochamus alternatus, representing a new host record for D. (L.) chasanica: doi.org/10.3897/jhr....

#biology #DNAbarcoding #pests #invert
A high-resolution photo of a tiny parasitic wasp viewed from the side against a light background. The wasp has long, slender antennae, transparent veined wings, a shiny black thorax and abdomen, and a distinctive orange ovipositor extending from the tip of its body. The scale bar in the lower left indicates 1 millimeter.
May 28, 2025 at 2:47 PM
jhr.pensoft.net
Happy #WorldBeeDay!

On the day to appreciate the critical role of bees and other pollinators in the health of our planet’s ecosystems, we are grateful we are part of the global effort to know and protect these precious buzzers.
A colorful graphic promoting World Bee Day. On the left side, a large illustrated bee is centered above two open hands surrounded by various nature and food icons like a leaf, butterfly, bird, onion, pumpkin, passionfruit, watermelon, flowers, and a bat. The background is yellow with honeycomb patterns and black dots. On the right side, the text reads: “20 May World Bee Day” and “BEE INSPIRED by nature to nourish us all” on a light background.
May 20, 2025 at 6:02 PM
jhr.pensoft.net
Description of two morphologically unusual new neotropical genera of Miracinae: doi.org/10.3897/jhr....

#taxonomy #entomology #Hymenoptera
A photo showing a close-up lateral view of a small parasitic wasp specimen. The wasp has a slender, dark body with light brown and yellowish legs. Its antennae are long, segmented, and thread-like, extending forward. The wings are translucent with a noticeable iridescent sheen and distinct venation patterns. The head is small with prominent compound eyes.
May 9, 2025 at 1:09 PM