Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
* Total Citation Counts Rankings
World Rank
6,405
Country Rank
247
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/11933.jpg)
![Canada](/flags/ca.png)
![Gregor Reid](https://cdn.adscientificindex.com/pictures/d9/800017.jpg)
Probiotics
vaginal and urinary health
Lactobacillus
pesticides
honey bees
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64,573
31,937
0.495
* Total Citation Counts Rankings
World Rank
15,858
Country Rank
7,506
Institution Rank : 43
![](https://cdn.adscientificindex.com/logos/10826.jpg)
![United States](/flags/us.png)
![Bruce Tabashnik](https://cdn.adscientificindex.com/pictures/24/1731227.jpg)
sustainable ag
insect resistance to GM crops
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,699
10,175
0.277
* Total Citation Counts Rankings
World Rank
21,057
Country Rank
869
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/29495.png)
![Canada](/flags/ca.png)
![RD Tyagi](https://cdn.adscientificindex.com/pictures/30/641769.jpg)
Biodiesel
Bioplastics
Biopolymers
Biopesticides
Value added products
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,603
14,605
0.477
* Total Citation Counts Rankings
World Rank
21,740
Country Rank
10,090
Institution Rank : 26
![](https://cdn.adscientificindex.com/logos/11018.png)
![United States](/flags/us.png)
![James Bruce Wallace](https://cdn.adscientificindex.com/pictures/f8/1613526.jpg)
Stream Ecology
Aquatic Insects
Entomology
Ecosystems
Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,952
6,425
0.215
* Total Citation Counts Rankings
World Rank
22,050
Country Rank
906
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/10645.png)
![Canada](/flags/ca.png)
![Satinder Brar](https://cdn.adscientificindex.com/pictures/64/642115.jpg)
bioenergy
biopesticides
emerging contaminants
biofertilizers
nanoparticles
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,708
20,658
0.695
* Total Citation Counts Rankings
World Rank
22,496
Country Rank
10,437
Institution Rank : 59
![](https://cdn.adscientificindex.com/logos/8825.jpg)
![United States](/flags/us.png)
![S Bradleigh Vinson](/user/assets/images/profile/no-profile-photo.png)
Entomology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,355
3,877
0.132
* Total Citation Counts Rankings
World Rank
23,850
Country Rank
11,033
Institution Rank : 60
![](https://cdn.adscientificindex.com/logos/5710.jpg)
![United States](/flags/us.png)
![Douglas A Landis](https://cdn.adscientificindex.com/pictures/51/1360877.jpg)
biological control
landscape
ecology
ecosystem services
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,275
13,307
0.471
* Total Citation Counts Rankings
World Rank
35,719
Country Rank
16,079
Institution Rank : 61
![](https://cdn.adscientificindex.com/logos/10895.png)
![United States](/flags/us.png)
![Ring Cardé](https://cdn.adscientificindex.com/pictures/75/1770560.jpg)
Entomology
Chemical Ecology
Insect Behavior
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,456
4,570
0.213
* Total Citation Counts Rankings
World Rank
38,302
Country Rank
17,129
Institution Rank : 23
![](https://cdn.adscientificindex.com/logos/15719.png)
![United States](/flags/us.png)
![David Roubik](https://cdn.adscientificindex.com/pictures/25/4461822.jpg)
tropical biology
bees
pollination
pollen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,417
6,182
0.303
* Total Citation Counts Rankings
World Rank
42,999
Country Rank
18,982
Institution Rank : 46
![](https://cdn.adscientificindex.com/logos/11048.png)
![United States](/flags/us.png)
![Qing X Li](https://cdn.adscientificindex.com/pictures/5a/1614384.jpg)
Dementia
Environmental fate
Microbial transformation
Pesticides
Proteomics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,769
10,243
0.546
* Total Citation Counts Rankings
World Rank
46,434
Country Rank
20,323
Institution Rank : 155
![](https://cdn.adscientificindex.com/logos/8825.jpg)
![United States](/flags/us.png)
![J Spencer Johnston](https://cdn.adscientificindex.com/pictures/50/1673983.jpg)
Population Genomics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,734
6,242
0.352
* Total Citation Counts Rankings
World Rank
46,550
Country Rank
20,365
Institution Rank : 218
![](https://cdn.adscientificindex.com/logos/10889.jpg)
![United States](/flags/us.png)
![James R Carey](https://cdn.adscientificindex.com/pictures/5f/5113736.jpg)
invasion biology
demography
biodemography
ecology
lifespan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,701
4,067
0.230
* Total Citation Counts Rankings
World Rank
48,548
Country Rank
21,165
Institution Rank : 78
![](https://cdn.adscientificindex.com/logos/10895.png)
![United States](/flags/us.png)
![Richard Stouthamer](/user/assets/images/profile/no-profile-photo.png)
Wolbachia
invasive species
parthenogenesis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,179
5,062
0.295
* Total Citation Counts Rankings
World Rank
49,573
Country Rank
21,546
Institution Rank : 65
![](https://cdn.adscientificindex.com/logos/4250.jpg)
![United States](/flags/us.png)
![Joel Coats](https://cdn.adscientificindex.com/pictures/88/1360893.jpg)
Insect Toxicology
Environmental Toxicology of Agrochemicals
Insecticides
Repellents
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,914
4,603
0.272
* Total Citation Counts Rankings
World Rank
53,535
Country Rank
23,117
Institution Rank : 215
![](https://cdn.adscientificindex.com/logos/11177.jpg)
![United States](/flags/us.png)
![Daniel Gruner](https://cdn.adscientificindex.com/pictures/4e/1299518.jpg)
ecology
community ecology
entomology
biodiversity
island biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,967
8,509
0.533
* Total Citation Counts Rankings
World Rank
55,282
Country Rank
23,781
Institution Rank : 350
![](https://cdn.adscientificindex.com/logos/23831.png)
![United States](/flags/us.png)
![George Heimpel](https://cdn.adscientificindex.com/pictures/94/4679247.jpg)
Parasitoids
Biological Control
Entomology
Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,593
5,937
0.381
* Total Citation Counts Rankings
World Rank
56,840
Country Rank
24,390
Institution Rank : 313
![](https://cdn.adscientificindex.com/logos/11571.jpg)
![United States](/flags/us.png)
![Claudio Gratton](https://cdn.adscientificindex.com/pictures/9d/1878781.jpg)
insect ecology
landscape ecology
conservation
agroecology
agriculture
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,261
8,698
0.570
* Total Citation Counts Rankings
World Rank
62,522
Country Rank
26,514
Institution Rank : 254
![](https://cdn.adscientificindex.com/logos/11008.jpg)
![United States](/flags/us.png)
![Nan Yao Su](https://cdn.adscientificindex.com/pictures/6b/1611279.jpg)
Entomology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,187
4,239
0.299
* Total Citation Counts Rankings
World Rank
69,407
Country Rank
29,072
Institution Rank : 110
![](https://cdn.adscientificindex.com/logos/10895.png)
![United States](/flags/us.png)
![JT Trumble John T Trumble](https://cdn.adscientificindex.com/pictures/ad/1770619.jpg)
Entomology
Ecology
Environmental Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,100
3,654
0.279
* Total Citation Counts Rankings
World Rank
71,331
Country Rank
29,758
Institution Rank : 124
![](https://cdn.adscientificindex.com/logos/11018.png)
![United States](/flags/us.png)
![Richard Mayer](https://cdn.adscientificindex.com/pictures/36/1613615.jpg)
drug metabolism
plant defensive and resistance mechanisms
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,819
1,042
0.081
* Total Citation Counts Rankings
World Rank
71,699
Country Rank
29,878
Institution Rank : 16
![](https://cdn.adscientificindex.com/logos/11074.jpg)
![United States](/flags/us.png)
![Sanford D Eigenbrode](https://cdn.adscientificindex.com/pictures/40/1632242.jpg)
Insect Ecology
Chemical Ecology
Climate Change Biology
Interdisciplinary Studies
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,767
5,261
0.412
* Total Citation Counts Rankings
World Rank
72,793
Country Rank
30,292
Institution Rank : 292
![](https://cdn.adscientificindex.com/logos/11008.jpg)
![United States](/flags/us.png)
![Lukasz L Stelinski](/user/assets/images/profile/no-profile-photo.png)
Chemical Ecology
Insect Behavior
Pest Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,614
6,404
0.508
* Total Citation Counts Rankings
World Rank
75,566
Country Rank
31,296
Institution Rank : 300
![](https://cdn.adscientificindex.com/logos/11008.jpg)
![United States](/flags/us.png)
![Philip A Stansly](https://cdn.adscientificindex.com/pictures/27/1611322.jpg)
Integrated management of citrus and vegetable pests
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,232
4,791
0.392
* Total Citation Counts Rankings
World Rank
85,753
Country Rank
35,003
Institution Rank : 524
![](https://cdn.adscientificindex.com/logos/23831.png)
![United States](/flags/us.png)
![William D Hutchison](https://cdn.adscientificindex.com/pictures/6e/4679410.jpg)
Entomology
Resistance Management
Integrated Pest Management
IPM
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,018
4,541
0.412
* Total Citation Counts Rankings
World Rank
91,712
Country Rank
37,076
Institution Rank : 360
![](https://cdn.adscientificindex.com/logos/11008.jpg)
![United States](/flags/us.png)
![Jamie Ellis](/user/assets/images/profile/no-profile-photo.png)
honey bee ecology
behavior
pathology
and conservation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,411
6,704
0.644
Gregor Reid
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64,573
31,937
0.495
Probiotics
vaginal and urinary health
Lactobacillus
pesticides
honey bees
Bruce Tabashnik
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,699
10,175
0.277
sustainable ag
insect resistance to GM crops
RD Tyagi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,603
14,605
0.477
Biodiesel
Bioplastics
Biopolymers
Biopesticides
Value added products
James Bruce Wallace
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,952
6,425
0.215
Stream Ecology
Aquatic Insects
Entomology
Ecosystems
Ecology
Satinder Brar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,708
20,658
0.695
bioenergy
biopesticides
emerging contaminants
biofertilizers
nanoparticles
S Bradleigh Vinson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,355
3,877
0.132
Douglas A Landis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,275
13,307
0.471
biological control
landscape
ecology
ecosystem services
Ring Cardé
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,456
4,570
0.213
Entomology
Chemical Ecology
Insect Behavior
David Roubik
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,417
6,182
0.303
tropical biology
bees
pollination
pollen
Qing X Li
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,769
10,243
0.546
Dementia
Environmental fate
Microbial transformation
Pesticides
Proteomics
J Spencer Johnston
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,734
6,242
0.352
James R Carey
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,701
4,067
0.230
invasion biology
demography
biodemography
ecology
lifespan
Richard Stouthamer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,179
5,062
0.295
Wolbachia
invasive species
parthenogenesis
Joel Coats
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,914
4,603
0.272
Insect Toxicology
Environmental Toxicology of Agrochemicals
Insecticides
Repellents
Daniel Gruner
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,967
8,509
0.533
ecology
community ecology
entomology
biodiversity
island biology
George Heimpel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,593
5,937
0.381
Parasitoids
Biological Control
Entomology
Ecology
Claudio Gratton
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,261
8,698
0.570
insect ecology
landscape ecology
conservation
agroecology
agriculture
Nan Yao Su
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,187
4,239
0.299
JT Trumble John T Trumble
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,100
3,654
0.279
Entomology
Ecology
Environmental Science
Richard Mayer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,819
1,042
0.081
drug metabolism
plant defensive and resistance mechanisms
Sanford D Eigenbrode
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,767
5,261
0.412
Insect Ecology
Chemical Ecology
Climate Change Biology
Interdisciplinary Studies
Lukasz L Stelinski
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,614
6,404
0.508
Chemical Ecology
Insect Behavior
Pest Management
Philip A Stansly
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,232
4,791
0.392
Integrated management of citrus and vegetable pests
William D Hutchison
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,018
4,541
0.412
Entomology
Resistance Management
Integrated Pest Management
IPM
Jamie Ellis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,411
6,704
0.644
honey bee ecology
behavior
pathology
and conservation